Scala analysis: xen18-schulter-pythagorean

12-note Pythagorean tuning

Generated by Scala: https://www.huygens-fokker.org/scala/

SHOW
  0:          1/1               0.000000 unison, perfect prime
  1:       2187/2048          113.685006 apotome
  2:          9/8             203.910002 major whole tone
  3:         32/27            294.134997 Pythagorean minor third
  4:         81/64            407.820003 Pythagorean major third
  5:          4/3             498.044999 perfect fourth
  6:        729/512           611.730005 Pythagorean tritone
  7:          3/2             701.955001 perfect fifth
  8:       6561/4096          815.640007 Pythagorean augmented fifth
  9:         27/16            905.865003 Pythagorean major sixth
 10:         16/9             996.089998 Pythagorean minor seventh
 11:        243/128          1109.775004 Pythagorean major seventh
 12:          2/1            1200.000000 octave
SHOW/INTERVAL
  0:        256/243            90.2250 limma, Pythagorean minor second
  1:       2187/2048          113.6850 apotome
  2:        256/243            90.2250 limma, Pythagorean minor second
  3:        256/243            90.2250 limma, Pythagorean minor second
  4:       2187/2048          113.6850 apotome
  5:        256/243            90.2250 limma, Pythagorean minor second
  6:       2187/2048          113.6850 apotome
  7:        256/243            90.2250 limma, Pythagorean minor second
  8:       2187/2048          113.6850 apotome
  9:        256/243            90.2250 limma, Pythagorean minor second
 10:        256/243            90.2250 limma, Pythagorean minor second
 11:       2187/2048          113.6850 apotome
 12:        256/243            90.2250 limma, Pythagorean minor second
SHOW INTERVALS
Interval class, Number of incidences, Size:
  1:   7 256/243             90.225 cents   limma, Pythagorean minor second
  1:   5 2187/2048           113.685 cents  apotome
  2:   2 65536/59049         180.450 cents  Pythagorean diminished third
  2:  10 9/8                 203.910 cents  major whole tone
  3:   9 32/27               294.135 cents  Pythagorean minor third
  3:   3 19683/16384         317.595 cents  Pythagorean augmented second
  4:   4 8192/6561           384.360 cents  Pythagorean diminished fourth
  4:   8 81/64               407.820 cents  Pythagorean major third
  5:  11 4/3                 498.045 cents  perfect fourth
  5:   1 177147/131072       521.505 cents  Pythagorean augmented third
  6:   6 1024/729            588.270 cents  Pythagorean diminished fifth
  6:   6 729/512             611.730 cents  Pythagorean tritone
  7:   1 262144/177147       678.495 cents  Pythagorean diminished sixth
  7:  11 3/2                 701.955 cents  perfect fifth
  8:   8 128/81              792.180 cents  Pythagorean minor sixth
  8:   4 6561/4096           815.640 cents  Pythagorean augmented fifth
  9:   3 32768/19683         882.405 cents  Pythagorean diminished seventh
  9:   9 27/16               905.865 cents  Pythagorean major sixth
 10:  10 16/9                996.090 cents  Pythagorean minor seventh
 10:   2 59049/32768         1019.550 cents Pythagorean augmented sixth
 11:   5 4096/2187           1086.315 cents Pythagorean diminished octave
 11:   7 243/128             1109.775 cents Pythagorean major seventh
Highest number of different intervals for one interval class: 2
Average number of different intervals per interval class: 2.00000 = 2
SHOW/LINE/CENTS INTERVALS
         1     2     3     4     5     6     7     8     9     10     11     12    
 0.0   : 113.7 203.9 294.1 407.8 498.0 611.7 702.0 815.6 905.9 996.1  1109.8 1200.0
 113.7 : 90.2  180.4 294.1 384.4 498.0 588.3 702.0 792.2 882.4 996.1  1086.3 1200.0
 203.9 : 90.2  203.9 294.1 407.8 498.0 611.7 702.0 792.2 905.9 996.1  1109.8 1200.0
 294.1 : 113.7 203.9 317.6 407.8 521.5 611.7 702.0 815.6 905.9 1019.6 1109.8 1200.0
 407.8 : 90.2  203.9 294.1 407.8 498.0 588.3 702.0 792.2 905.9 996.1  1086.3 1200.0
 498.0 : 113.7 203.9 317.6 407.8 498.0 611.7 702.0 815.6 905.9 996.1  1109.8 1200.0
 611.7 : 90.2  203.9 294.1 384.4 498.0 588.3 702.0 792.2 882.4 996.1  1086.3 1200.0
 702.0 : 113.7 203.9 294.1 407.8 498.0 611.7 702.0 792.2 905.9 996.1  1109.8 1200.0
 815.6 : 90.2  180.4 294.1 384.4 498.0 588.3 678.5 792.2 882.4 996.1  1086.3 1200.0
 905.9 : 90.2  203.9 294.1 407.8 498.0 588.3 702.0 792.2 905.9 996.1  1109.8 1200.0
 996.1 : 113.7 203.9 317.6 407.8 498.0 611.7 702.0 815.6 905.9 1019.6 1109.8 1200.0
 1109.8: 90.2  203.9 294.1 384.4 498.0 588.3 702.0 792.2 905.9 996.1  1086.3 1200.0
 1200.0
SHOW/SPAN INTERVALS
Interval class, Interval span, Span size, Gap to prev. class:
  1:  90.2250   .. 113.6850 cents      531441/524288, 23.4600 cents       256/243, 90.2250 cents
  2:  180.4500  .. 203.9100 cents      531441/524288, 23.4600 cents       134217728/129140163, 66.7650 cents
  3:  294.1350  .. 317.5950 cents      531441/524288, 23.4600 cents       256/243, 90.2250 cents
  4:  384.3600  .. 407.8200 cents      531441/524288, 23.4600 cents       134217728/129140163, 66.7650 cents
  5:  498.0450  .. 521.5050 cents      531441/524288, 23.4600 cents       256/243, 90.2250 cents
  6:  588.2700  .. 611.7300 cents      531441/524288, 23.4600 cents       134217728/129140163, 66.7650 cents
  7:  678.4950  .. 701.9550 cents      531441/524288, 23.4600 cents       134217728/129140163, 66.7650 cents
  8:  792.1800  .. 815.6400 cents      531441/524288, 23.4600 cents       256/243, 90.2250 cents
  9:  882.4050  .. 905.8650 cents      531441/524288, 23.4600 cents       134217728/129140163, 66.7650 cents
 10:  996.0900  .. 1019.5500 cents     531441/524288, 23.4600 cents       256/243, 90.2250 cents
 11:  1086.3150 .. 1109.7750 cents     531441/524288, 23.4600 cents       134217728/129140163, 66.7650 cents
SHOW DATA
Number of notes                     : 12
-- Interval properties --
Smallest interval                   : 256/243, 90.2250 cents, class 1
Average step (divided formal octave): 100.0000 cents
Largest one step interval           : 2187/2048, 113.6850 cents
Average / Smallest step             : 1.108340
Largest / Average step              : 1.136850
Largest / Smallest step             : 1.260017
Median interval of one step         : 256/243, 90.2250 cents, amount: 7
Most common interval of one step    : 256/243, 90.2250 cents, amount: 7
Least squares average step          : 100.54740 cents, oct.:  1206.56880 cents
Scale is strictly proper
Scale has Myhill's property
  chromas: 531441/524288, 23.4600 cents and 134217728/129140163, 66.7650 cents, ratio: 2.845906
  generators: 5 of 498.04500 cents and 7 of 701.95500 cents
ET pair of linear temperament       : 12&41
Scale is maximally even for L / S <= 2
Scale is distributional even
Scale is a mode of a 665-tone equal temperament with octave  2/1
  degrees: 63 113 163 226 276 339 389 452 502 552 615 665
  generators: 276 and 389
Number of contiguous 1-step segments: 0
Step pattern alph. order: ABBABABABBAB
Step pattern size order : LSSLSLSLSSLS
Scale is a Constant Structure, by a margin of 66.76499 cents
Ratio Whole / Half tone             : 2.260017
Scale diversity                     : 1.154991
Rothenberg stability                : 1.000000 = 1
Lumma stability                     : 0.784950
Rothenberg efficiency               : 0.722222   redundancy: 0.277778
Efficiency x scale size             : 8.666667
Number of different interval sizes  : 22 = 2.00000 / class
Number of one step interval sizes   : 2
Highest interval variety            : 2
Mean interval variety               : 2.00000 = 2
Median interval variety             : 2
Lowest interval variety             : 2
Smallest interval difference        : 531441/524288, 23.4600 cents
Most common intervals               : 4/3, 498.0450 cents & inv., amount: 11
Scale is a chain of 6 triads 0.0 90.225 701.955 cents
Most common triad is 0.0 498.045 701.955 cents, amount: 10
Number of recognisable fifths       : 11, average 701.9550 cents
Scale contains two identical disjunct hexachords 
Best fifths form a closed circle
Scale is a complete genus musicum   : 2^m 3^11
Scale contains a complete diamond   : 1 3 9 27
Formal octave complements present   : 7 = 58.3333%
Scale is n-1 differentially coherent in interval classes 4 and 5 combined
Scale is n-1 differentially coherent in interval class 5
Scale is n-1 differentially coherent in interval classes 6 and 7 combined
Scale is n-1 differentially coherent in interval class 7
Limited inverse transpositions      :
 11
Inversional symmetry on intervals   :
 5-6 11-12
-- Rational properties --
Prime limit                         : 3
Odd number limit                    : 177147 (O: 177147 U: 177147)
Highest odd numerator or denominator: 6561
Scale harmonicity                   : 0.021583
Average absolute harmonicity        : 0.173941
Specific harmonicity                : 0.121175
Fundamental                         : 1/110592, -16.7549 octaves, 0.0024 Hz.
Guide tone                          : 209952,  17.6797 octaves, 54928810.686 Hz.
Exponens Consonantiae               : 2.321901E+10, 34.43459 octaves
Euler's gradus suavitatis           : 40
Sum of Mann's harmonic distance     : 8404.0, average 700.33333
Mersenne's string divisions         : too high to compute
Sum of van Prooijen's expressibility: 20.03909, average 1.66992
Sum of Tenney's harmonic distance   : 39.60604, average 3.30050
Vogel's harmonic complexity         : 25.08333
Wille's k value                     : 88573
Wilson's harmonic complexity        : 33
Rectangular lattice diameter        : 11
Triangular lattice diameter         : 11
Lattice compactness                 : 615.48341, average 7.89081
Lattice compactness (without 2's)   : 328.00000, average 4.20513
Number of different primes          : 2
Prime exponents' range, average, count, tones@limit:
  2:  -12 .. 5       -3.41667   65    1
  3:  -3 .. 8         2.50000   42    11
Average exponent except 2's         : 30 / 12 = 2.50000
Average absolute exponent except 2's: 42 / 12 = 3.50000
Scale is weakly epimorphic with val: <12 17|
Scale is JI-epimorphic with val: <12 19| = patent
FIT/MODE
 12:  1 1 1 1 1 1 1 1 1 1 1 1  SP B ME I SD: 8.3327 c. M: 15.6400 c.  Twelve-tone Chromatic (1/11-comma)
 29:  3 2 2 3 2 3 2 3 2 2 3 2  SP M ME   SD: 6.3647 c. M:-11.9462 c.  Twelve-tone Chromatic (1/14-comma positive)
 41:  4 3 3 4 3 4 3 4 3 3 4 3  SP M ME   SD: 2.0630 c. M:-3.8722 c.  Twelve-tone Chromatic (1/44-comma positive)
 53:  5 4 4 5 4 5 4 5 4 4 5 4  SP M ME   SD: 0.2907 c. M: 0.5457 c.  Meantone Chromatic (1/315-comma)
 200: 19 15 15 19 15 19 15 19 15 15 19 15  SP M DE   SD: 0.1918 c. M:-0.3600 c.  Twelve-tone Chromatic (1/478-comma positive)
 253: 24 19 19 24 19 24 19 24 19 19 24 19  SP M DE   SD: 0.0907 c. M:-0.1703 c. 
 306: 29 23 23 29 23 29 23 29 23 23 29 23  SP M DE   SD: 0.0247 c. M:-0.0463 c. 
 359: 34 27 27 34 27 34 27 34 27 27 34 27  SP M DE   SD: 0.0219 c. M: 0.0411 c. 
 665: 63 50 50 63 50 63 50 63 50 50 63 50  SP M DE   SD: 0.0005 c. M: 0.0009 c. 
FIT/HARMONIC
 1 x x x x x x x x x x x 2  S SD: 0.0000 cents
 2 x x x x x x 3 x x x x 4  S SD: 0.0000 cents
 3 x x x x 4 x x x 5 x x 6  S SD: 7.1688 cents
 4 x x x 5 x x 6 x x 7 x 8  S SD: 8.6813 cents
 5 x x 6 x x 7 x 8 x 9 x 10  S SD: 8.4440 cents
 6 x x 7 x 8 x 9 x 10:11 x 12  S SD: 10.5986 cents
 7 x 8 x 9 x 10 x 11:12 x 13:14  S SD: 9.9093 cents
 8 x 9 x 10:11 x 12:13 x 14:15:16  S SD: 8.9493 cents
 9 x 10:11 x 12:13 x 14:15:16:17:18  S SD: 9.3172 cents
 10 x 11:12 x 13:14:15:16:17:18:19:20  S SD: 7.3366 cents
 11:12 x 13:14:15:16:17:18:19:20:21:22  S SD: 9.8052 cents
 12:13 x 14:15:16:17:18:19:20:21:23:24    SD: 5.5924 cents
 13:14:15 x 16:17 x 20:21:22:23:25:26    SD: 9.1265 cents
 14:15:16:17:18:19:20:21:22:24:25:27:28    SD: 6.9224 cents
 15:16:17:18:19:20:21:23:24:25:27:28:30    SD: 5.7226 cents
 16:17:18:19:20:21:23:24:26:27:28:30:32    SD: 4.8537 cents
 18:19:20:21:23:24:26:27:29:30:32:34:36    SD: 4.6708 cents
 22:23:25:26:28:29:31:33:35:37:39:42:44    SD: 4.3920 cents
 26:28:29:31:33:35:37:39:42:44:46:49:52    SD: 3.0150 cents
 30:32:34:36:38:40:43:45:48:51:53:57:60    SD: 2.7019 cents
 33:35:37:39:42:44:47:50:53:56:59:63:66    SD: 2.4998 cents
 38:41:43:45:48:51:54:57:61:64:68:72:76    SD: 2.2675 cents
 42:45:47:50:53:56:60:63:67:71:75:80:84    SD: 1.6428 cents
 48:51:54:57:61:64:68:72:77:81:85:91:96    SD: 1.3755 cents
 64:68:72:76:81:85:91:96:103:108:114:122:128    SD: 1.3635 cents
 70:75:79:83:89:93:100:105:112:118:124:133:140    SD: 1.3062 cents
 71:76:80:84:90:95:101:107:114:120:126:135:142    SD: 1.1405 cents
 80:85:90:95:101:107:114:120:128:135:142:152:160    SD: 1.0217 cents
 86:92:97:102:109:115:122:129:138:145:153:163:172    SD: 0.9282 cents
 87:93:98:103:110:116:124:131:139:147:155:165:174    SD: 0.8454 cents
 90:96:101:107:114:120:128:135:144:152:160:171:180    SD: 0.6720 cents
 118:126:133:140:149:157:168:177:189:199:210:224:236    SD: 0.5772 cents
 120:128:135:142:152:160:171:180:192:203:213:228:240    SD: 0.5689 cents
 135:144:152:160:171:180:192:203:216:228:240:256:270    SD: 0.5243 cents
 144:154:162:171:182:192:205:216:231:243:256:273:288    SD: 0.4984 cents
 158:169:178:187:200:211:225:237:253:267:281:300:316    SD: 0.4869 cents
 166:177:187:197:210:221:236:249:266:280:295:315:332    SD: 0.4830 cents
 174:186:196:206:220:232:248:261:279:294:309:330:348    SD: 0.4721 cents
 176:188:198:209:223:235:251:264:282:297:313:334:352    SD: 0.4594 cents
 189:202:213:224:239:252:269:284:303:319:336:359:378    SD: 0.4297 cents
 206:220:232:244:261:275:293:309:330:348:366:391:412    SD: 0.3778 cents
 222:237:250:263:281:296:316:333:356:375:395:421:444    SD: 0.3378 cents
 234:250:263:277:296:312:333:351:375:395:416:444:468    SD: 0.2787 cents
 264:282:297:313:334:352:376:396:423:446:469:501:528    SD: 0.2246 cents
 297:317:334:352:376:396:423:446:476:501:528:564:594    SD: 0.2210 cents
 336:359:378:398:425:448:478:504:538:567:597:638:672    SD: 0.2127 cents
 342:365:385:405:433:456:487:513:548:577:608:649:684    SD: 0.1989 cents
 368:393:414:436:466:491:524:552:589:621:654:699:736    SD: 0.1987 cents
 384:410:432:455:486:512:547:576:615:648:683:729:768    SD: 0.1073 cents