Scala analysis: xen10-chalmers-tritriadic-19-7-21

Tritriadic scale built from 19:7:21

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

SHOW
  0:          1/1               0.000000 unison, perfect prime
  1:         21/19            173.267891
  2:        441/361           346.535782
  3:          4/3             498.044999 perfect fourth
  4:         28/19            671.312890
  5:        588/361           844.580782
  6:         38/21           1026.732109
  7:          2/1            1200.000000 octave
SHOW/INTERVAL
  0:         21/19            173.2679 
  1:         21/19            173.2679 
  2:         21/19            173.2679 
  3:       1444/1323          151.5092 
  4:         21/19            173.2679 
  5:         21/19            173.2679 
  6:       6859/6174          182.1513 
  7:         21/19            173.2679 
SHOW INTERVALS
Interval class, Number of incidences, Size:
  1:   1 1444/1323           151.509 cents  
  1:   5 21/19               173.268 cents  
  1:   1 6859/6174           182.151 cents  
  2:   2 76/63               324.777 cents  
  2:   3 441/361             346.536 cents  
  2:   2 361/294             355.419 cents  
  3:   3 4/3                 498.045 cents  perfect fourth
  3:   1 9261/6859           519.804 cents  
  3:   3 19/14               528.687 cents  
  4:   3 28/19               671.313 cents  
  4:   1 13718/9261          680.196 cents  
  4:   3 3/2                 701.955 cents  perfect fifth
  5:   2 588/361             844.581 cents  
  5:   3 722/441             853.464 cents  
  5:   2 63/38               875.223 cents  
  6:   1 12348/6859          1017.849 cents 
  6:   5 38/21               1026.732 cents 
  6:   1 1323/722            1048.491 cents 
Highest number of different intervals for one interval class: 3
Average number of different intervals per interval class: 3.00000 = 3
SHOW/LINE/CENTS INTERVALS
         1     2     3     4     5     6      7     
 0.0   : 173.3 346.5 498.0 671.3 844.6 1026.7 1200.0
 173.3 : 173.3 324.8 498.0 671.3 853.5 1026.7 1200.0
 346.5 : 151.5 324.8 498.0 680.2 853.5 1026.7 1200.0
 498.0 : 173.3 346.5 528.7 702.0 875.2 1048.5 1200.0
 671.3 : 173.3 355.4 528.7 702.0 875.2 1026.7 1200.0
 844.6 : 182.2 355.4 528.7 702.0 853.5 1026.7 1200.0
 1026.7: 173.3 346.5 519.8 671.3 844.6 1017.8 1200.0
 1200.0
SHOW/SPAN INTERVALS
Interval class, Interval span, Span size, Gap to prev. class:
  1:  151.5092  .. 182.1513 cents      57/56, 30.6421 cents               1444/1323, 151.5092 cents
  2:  324.7771  .. 355.4192 cents      57/56, 30.6421 cents               392/361, 142.6258 cents
  3:  498.0450  .. 528.6871 cents      57/56, 30.6421 cents               392/361, 142.6258 cents
  4:  671.3129  .. 701.9550 cents      57/56, 30.6421 cents               392/361, 142.6258 cents
  5:  844.5808  .. 875.2229 cents      57/56, 30.6421 cents               392/361, 142.6258 cents
  6:  1017.8487 .. 1048.4908 cents     57/56, 30.6421 cents               392/361, 142.6258 cents
SHOW DATA
Number of notes                     : 7
-- Interval properties --
Smallest interval                   : 1444/1323, 151.5092 cents, class 1
Average step (divided formal octave): 171.4286 cents
Largest one step interval           : 6859/6174, 182.1513 cents
Average / Smallest step             : 1.131473
Largest / Average step              : 1.062549
Largest / Smallest step             : 1.202246
Median interval of one step         : 21/19, 173.2679 cents, amount: 5
Most common interval of one step    : 21/19, 173.2679 cents, amount: 5
Least squares average step          : 170.20730 cents, oct.:  1191.45113 cents
Scale is strictly proper
Scale has trivalence property
Step pattern alph. order: AABAACA
Step pattern size order : MMSMMLM
Scale is a Constant Structure, by a margin of 142.62578 cents
Scale diversity                     : 1.159124
Rothenberg stability                : 1.000000 = 1
Lumma stability                     : 0.846789
Rothenberg efficiency               : 0.544218   redundancy: 0.455782
Efficiency x scale size             : 3.809524
Number of different interval sizes  : 18 = 3.00000 / class
Number of one step interval sizes   : 3
Highest interval variety            : 3
Mean interval variety               : 3.00000 = 3
Median interval variety             : 3
Lowest interval variety             : 3
Smallest interval difference        : 130321/129654, 8.8834 cents
Most common intervals               : 21/19, 173.2679 cents & inv., amount: 5
Scale is a chain of 3 triads 0.0 498.045 1026.732 cents
Most common triad is 0.0 173.268 1026.732 cents, amount: 3
Number of recognisable fifths       : 3, average 701.9550 cents
Best fifths form a closed circle
Best major thirds form a closed circle
Best minor thirds form a closed circle
Scale contains a complete diamond   : 19 21
Formal octave complements present   : 3 = 42.8571%
Scale is n-1 differentially coherent in interval classes 3 and 4 combined
Limited transpositions with margin 30.6421 cents:
 1 2 6
Limited inverse transpositions with margin 30.6421 cents:
 3 4 5
-- Rational properties --
Prime limit                         : 19
Odd number limit                    : 9261 (O: 9261 U: 9261)
Highest odd numerator or denominator: 441
Scale harmonicity                   : 0.006985
Average absolute harmonicity        : 0.185603
Specific harmonicity                : 0.038223
Fundamental                         : 1/7581, -12.8882 octaves, 0.0345 Hz.
Guide tone                          : 33516,  15.0326 octaves, 8768642.447 Hz.
Exponens Consonantiae               : 2.540848E+08, 27.92073 octaves
Euler's gradus suavitatis           : 81
Sum of Mann's harmonic distance     : 953.5, average 136.21429
Mersenne's string divisions         : too high to compute
Sum of van Prooijen's expressibility: 9.60226, average 1.37175
Sum of Tenney's harmonic distance   : 20.13793, average 2.87685
Vogel's harmonic complexity         : 41.42857
Wille's k value                     : 4630
Wilson's harmonic complexity        : 87
Rectangular lattice diameter        : 9
Triangular lattice diameter         : 6
Lattice compactness                 : 75.20963, average 2.68606
Lattice compactness (without 2's)   : 63.54627, average 2.26951
Number of different primes          : 4
Prime exponents' range, average, count, tones@limit:
  2:   0 .. 2         1.14286   8     1
  3:  -1 .. 2         0.28571   6     1
  7:  -1 .. 2         0.71429   7
 19:  -2 .. 1        -0.71429   7     5
Average exponent except 2's         : 2 / 7 = 0.28571
Average absolute exponent except 2's: 20 / 7 = 2.85714
Scale is weakly epimorphic with val: <7 10 18 29|
Scale is weakly epimorphic with val: <7 10 19 30|
Scale is weakly epimorphic with val: <7 10 20 31|
Scale is weakly epimorphic with val: <7 10 21 32|
Scale is weakly epimorphic with val: <7 10 22 33|
Scale is JI-epimorphic with val: <7 11 18 28|
Scale is JI-epimorphic with val: <7 11 19 29|
Scale is JI-epimorphic with val: <7 11 20 30| = patent
Scale is JI-epimorphic with val: <7 11 21 31|
Scale is JI-epimorphic with val: <7 11 22 32|
Scale is weakly epimorphic with val: <7 12 18 27|
Scale is weakly epimorphic with val: <7 12 19 28|
Scale is weakly epimorphic with val: <7 12 20 29|
Scale is weakly epimorphic with val: <7 12 21 30|
Scale is weakly epimorphic with val: <7 12 22 31|
FIT/MODE
  7:  1 1 1 1 1 1 1  SP B ME I SD: 9.6308 c. M:-16.2407 c.  Lebeng
 27:  4 4 3 4 4 4 4  SP M ME S SD: 5.7006 c. M: 9.1561 c. 
 34:  5 5 4 5 5 5 5  SP M ME S SD: 3.4565 c. M:-6.4054 c. 
 41:  6 6 5 6 6 6 6  SP M ME S SD: 2.7834 c. M:-4.6837 c. 
 48:  7 7 6 7 7 7 7  SP M ME S SD: 3.0422 c. M:-5.4192 c. 
 70:  10 10 9 10 10 11 10  SP   T3   SD: 2.6622 c. M: 4.5808 c. 
 77:  11 11 10 11 11 12 11  SP   T3   SD: 2.1133 c. M: 3.6786 c. 
 84:  12 12 11 12 12 13 12  SP   T3   SD: 1.9678 c. M: 3.6786 c. 
 97:  14 14 12 14 14 15 14  SP   T3   SD: 2.1432 c. M: 3.3437 c. 
 104: 15 15 13 15 15 16 15  SP   T3   SD: 1.3783 c. M: 2.2731 c. 
 111: 16 16 14 16 16 17 16  SP   T3   SD: 0.7519 c. M: 1.3375 c. 
 118: 17 17 15 17 17 18 17  SP   T3   SD: 0.4214 c. M: 0.7731 c. 
 159: 23 23 20 23 23 24 23  SP   T3   SD: 0.4224 c. M:-0.7022 c. 
 263: 38 38 33 38 38 40 38  SP   T3   SD: 0.4060 c. M: 0.7066 c. 
 270: 39 39 34 39 39 41 39  SP   T3   SD: 0.1495 c. M: 0.2672 c. 
 277: 40 40 35 40 40 42 40  SP   T3   SD: 0.1110 c. M:-0.1846 c. 
 547: 79 79 69 79 79 83 79  SP   T3   SD: 0.0450 c. M:-0.0821 c. 
 665: 96 96 84 96 96 101 96  SP   T3   SD: 0.0436 c. M: 0.0696 c. 
 942: 136 136 119 136 136 143 136  SP   T3   SD: 0.0264 c. M:-0.0442 c. 
 1212: 175 175 153 175 175 184 175  SP   T3   SD: 0.0169 c. M: 0.0263 c. 
 1489: 215 215 188 215 215 226 215  SP   T3   SD: 0.0073 c. M:-0.0129 c. 
FIT/HARMONIC
 1 x x x x x x 2  S SD: 0.0000 cents
 2 x x x 3 x x 4  S SD: 15.3211 cents
 3 x x 4 x 5 x 6  S SD: 13.2593 cents
 4 x 5 x 6 x 7:8  S SD: 19.1611 cents
 5 x 6:7 x 8:9:10  S SD: 19.1072 cents
 6 x 7:8:9:10:11:12  S SD: 16.1416 cents
 7:8 x 9:10:11:13:14    SD: 21.1421 cents
 8:9:10:11:12:13:14:16  S SD: 14.0464 cents
 9:10:11:12:13:15:16:18    SD: 8.8170 cents
 17:19:21:23:25:28:31:34    SD: 6.3027 cents
 18:20:22:24:27:29:33:36    SD: 6.2156 cents
 19:21:23:25:28:31:34:38    SD: 4.8559 cents
 21:23:26:28:31:34:38:42    SD: 4.2965 cents
 27:30:33:36:40:44:49:54    SD: 1.9898 cents
 48:53:59:64:71:78:87:96    SD: 1.9319 cents
 57:63:70:76:84:93:103:114    SD: 1.4133 cents
 67:74:82:89:99:109:121:134    SD: 1.3617 cents
 68:75:83:91:100:111:123:136    SD: 1.3059 cents
 78:86:95:104:115:127:141:156    SD: 0.9998 cents
 95:105:116:127:140:155:172:190    SD: 0.7940 cents
 105:116:128:140:155:171:190:210    SD: 0.6778 cents
 135:149:165:180:199:220:244:270    SD: 0.4910 cents
 162:179:198:216:239:264:293:324    SD: 0.3537 cents
 258:285:315:344:380:420:467:516    SD: 0.2842 cents
 285:315:348:380:420:464:516:570    SD: 0.2096 cents
 294:325:359:392:433:479:532:588    SD: 0.1993 cents
 321:355:392:428:473:523:581:642    SD: 0.1962 cents
 342:378:418:456:504:557:619:684    SD: 0.1390 cents
 420:464:513:560:619:684:760:840    SD: 0.1250 cents
 447:494:546:596:659:728:809:894    SD: 0.1173 cents
 456:504:557:608:672:743:825:912    SD: 0.1003 cents