Scala analysis: xen09-chalmers-tritriadic-5-7-9

Tritriadic scale built from 5:7:9

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

SHOW
  0:          1/1               0.000000 unison, perfect prime
  1:         10/9             182.403712 minor whole tone
  2:         63/50            400.108480 quasi-equal major third
  3:          7/5             582.512193 septimal or Huygens' tritone, BP fourth
  4:         14/9             764.915905 septimal minor sixth
  5:         81/50            835.192576 acute minor sixth
  6:          9/5            1017.596288 just minor seventh, BP seventh
  7:          2/1            1200.000000 octave
SHOW/INTERVAL
  0:         10/9             182.4037 minor whole tone
  1:         10/9             182.4037 minor whole tone
  2:        567/500           217.7048 
  3:         10/9             182.4037 minor whole tone
  4:         10/9             182.4037 minor whole tone
  5:        729/700            70.2767 
  6:         10/9             182.4037 minor whole tone
  7:         10/9             182.4037 minor whole tone
SHOW INTERVALS
Interval class, Number of incidences, Size:
  1:   1 729/700             70.277 cents   
  1:   5 10/9                182.404 cents  minor whole tone
  1:   1 567/500             217.705 cents  
  2:   2 81/70               252.680 cents  Al-Hwarizmi's lute middle finger
  2:   3 100/81              364.807 cents  grave major third
  2:   2 63/50               400.108 cents  quasi-equal major third
  3:   3 9/7                 435.084 cents  septimal major third, BP third
  3:   1 1000/729            547.211 cents  
  3:   3 7/5                 582.512 cents  septimal or Huygens' tritone, BP fourth
  4:   3 10/7                617.488 cents  Euler's tritone
  4:   1 729/500             652.789 cents  
  4:   3 14/9                764.916 cents  septimal minor sixth
  5:   2 100/63              799.892 cents  quasi-equal minor sixth
  5:   3 81/50               835.193 cents  acute minor sixth
  5:   2 140/81              947.320 cents  
  6:   1 1000/567            982.295 cents  
  6:   5 9/5                 1017.596 cents just minor seventh, BP seventh
  6:   1 1400/729            1129.723 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   : 182.4 400.1 582.5 764.9 835.2 1017.6 1200.0
 182.4 : 217.7 400.1 582.5 652.8 835.2 1017.6 1200.0
 400.1 : 182.4 364.8 435.1 617.5 799.9 982.3  1200.0
 582.5 : 182.4 252.7 435.1 617.5 799.9 1017.6 1200.0
 764.9 : 70.3  252.7 435.1 617.5 835.2 1017.6 1200.0
 835.2 : 182.4 364.8 547.2 764.9 947.3 1129.7 1200.0
 1017.6: 182.4 364.8 582.5 764.9 947.3 1017.6 1200.0
 1200.0
SHOW/SPAN INTERVALS
Interval class, Interval span, Span size, Gap to prev. class:
  1:  70.2767   .. 217.7048 cents      49/45, 147.4281 cents              729/700, 70.2767 cents
  2:  252.6804  .. 400.1085 cents      49/45, 147.4281 cents              50/49, 34.9756 cents
  3:  435.0841  .. 582.5122 cents      49/45, 147.4281 cents              50/49, 34.9756 cents
  4:  617.4878  .. 764.9159 cents      49/45, 147.4281 cents              50/49, 34.9756 cents
  5:  799.8915  .. 947.3196 cents      49/45, 147.4281 cents              50/49, 34.9756 cents
  6:  982.2952  .. 1129.7233 cents     49/45, 147.4281 cents              50/49, 34.9756 cents
SHOW DATA
Number of notes                     : 7
-- Interval properties --
Smallest interval                   : 729/700, 70.2767 cents, class 1
Average step (divided formal octave): 171.4286 cents
Largest one step interval           : 567/500, 217.7048 cents
Average / Smallest step             : 2.439338
Largest / Average step              : 1.269944
Largest / Smallest step             : 3.097824
Median interval of one step         : 10/9, 182.4037 cents, amount: 5
Most common interval of one step    : 10/9, 182.4037 cents, amount: 5
Least squares average step          : 174.79544 cents, oct.:  1223.56807 cents
Scale is strictly proper
Scale has trivalence property
Step pattern alph. order: ABAACAA
Step pattern size order : MLMMSMM
Scale is a Constant Structure, by a margin of 34.97561 cents
Scale diversity                     : 1.376338
Rothenberg stability                : 1.000000 = 1
Lumma stability                     : 0.262860
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        : 50/49, 34.9756 cents
Most common intervals               : 10/9, 182.4037 cents & inv., amount: 5
Scale is a chain of 3 triads 0.0 582.512 1017.596 cents
Most common triad is 0.0 182.404 1017.596 cents, amount: 3
Number of recognisable fifths       : 0
Best fifths form a closed circle
Best minor thirds form a closed circle
Scale contains a complete diamond   : 5 9
Length of longest harmonic part     : 1 at degree 0
Length of longest subharmonic part  : 1 at degree 0
Formal octave complements present   : 3 = 42.8571%
-- Rational properties --
Prime limit                         : 7
Odd number limit                    : 729 (O: 729 U: 729)
Highest odd numerator or denominator: 81
Scale harmonicity                   : 0.021059
Average absolute harmonicity        : 0.194104
Specific harmonicity                : 0.109099
Fundamental                         : 1/450, -8.8138 octaves, 0.5814 Hz.
Guide tone                          : 5670,  12.4691 octaves, 1483416.955 Hz.
Exponens Consonantiae               : 2.551500E+06, 21.28291 octaves
Euler's gradus suavitatis           : 33
Sum of Mann's harmonic distance     : 157.5, average 22.50000
Mersenne's string divisions         : 543388524
Sum of van Prooijen's expressibility: 7.41565, average 1.05938
Sum of Tenney's harmonic distance   : 14.65869, average 2.09410
Vogel's harmonic complexity         : 18.28571
Wille's k value                     : 364
Wilson's harmonic complexity        : 40
Rectangular lattice diameter        : 10
Triangular lattice diameter         : 6
Lattice compactness                 : 89.96625, average 3.21308
Lattice compactness (without 2's)   : 83.83777, average 2.99421
Number of different primes          : 4
Prime exponents' range, average, count, tones@limit:
  2:  -1 .. 1         0.14286   5     1
  3:  -2 .. 4         0.57143   12
  5:  -2 .. 1        -0.71429   7     3
  7:   0 .. 1         0.42857   3     3
Average exponent except 2's         : 2 / 7 = 0.28571
Average absolute exponent except 2's: 22 / 7 = 3.14286
Scale is weakly epimorphic with val: <7 10 15 21|
Scale is weakly epimorphic with val: <7 10 16 18|
Scale is weakly epimorphic with val: <7 10 17 22|
Scale is weakly epimorphic with val: <7 10 18 19|
Scale is JI-epimorphic with val: <7 11 16 19|
Scale is weakly epimorphic with val: <7 11 18 20|
Scale is weakly epimorphic with val: <7 12 16 20|
Scale is JI-epimorphic with val: <7 12 18 21|
FIT/MODE
  7:  1 1 1 1 1 1 1  SP B ME I SD: 46.1801 c. M: 79.2016 c.  Lebeng
  8:  1 2 1 1 1 1 1   P M ME S SD: 36.4838 c. M:-64.8074 c. 
 10:  1 2 2 1 1 1 2   N   D3   SD: 39.9403 c. M: 62.4037 c. 
 12:  2 2 2 2 0 2 2   P M DE S SD: 22.0211 c. M: 35.1926 c. 
 13:  2 2 2 2 1 2 2  SP M ME S SD: 18.9147 c. M: 30.8777 c.  Glacial-7, Lobonian
 14:  2 3 2 2 1 2 2   P   T3   SD: 16.3929 c. M:-28.4629 c. 
 19:  3 3 3 3 1 3 3  SP M DE S SD: 11.9257 c. M: 21.1611 c.  Glacial-7
 20:  3 4 3 3 1 3 3   P   T3   SD: 11.7333 c. M:-19.8915 c. 
 24:  4 4 4 3 2 3 4   P      S SD: 13.9736 c. M: 17.5963 c. 
 25:  4 4 4 4 1 4 4  SP M DE S SD: 11.1094 c. M: 19.1926 c. 
 27:  4 5 4 4 2 4 4  SP   T3   SD: 5.8363 c. M: 9.3603 c. 
 33:  5 6 5 5 2 5 5  SP   T3   SD: 0.7735 c. M: 1.2795 c. 
 105: 16 19 16 16 6 16 16  SP   T3   SD: 0.5348 c. M: 0.9069 c. 
 138: 21 25 21 21 8 21 21  SP   T3   SD: 0.2281 c. M: 0.4100 c. 
 171: 26 31 26 26 10 26 26  SP   T3   SD: 0.0670 c. M: 0.1085 c. 
 546: 83 99 83 83 32 83 83  SP   T3   SD: 0.0637 c. M: 0.1085 c. 
 717: 109 130 109 109 42 109 109  SP   T3   SD: 0.0611 c. M: 0.1085 c. 
 888: 135 161 135 135 52 135 135  SP   T3   SD: 0.0606 c. M: 0.1085 c. 
 921: 140 167 140 140 54 140 140  SP   T3   SD: 0.0670 c. M: 0.1085 c. 
 1059: 161 192 161 161 62 161 161  SP   T3   SD: 0.0607 c. M: 0.1085 c. 
 1605: 244 291 244 244 94 244 244  SP   T3   SD: 0.0607 c. M: 0.1085 c. 
 1862: 283 338 283 283 109 283 283  SP   T3   SD: 0.0606 c. M:-0.1063 c. 
 1895: 288 344 288 288 111 288 288  SP   T3   SD: 0.0573 c. M:-0.1026 c. 
 1928: 293 350 293 293 113 293 293  SP   T3   SD: 0.0571 c. M:-0.0990 c. 
 1961: 298 356 298 298 115 298 298  SP   T3   SD: 0.0599 c. M:-0.0955 c. 
 2000: 304 363 304 304 117 304 304  SP   T3   SD: 0.0576 c. M:-0.0915 c. 
 2033: 309 369 309 309 119 309 309  SP   T3   SD: 0.0511 c. M:-0.0883 c. 
 2066: 314 375 314 314 121 314 314  SP   T3   SD: 0.0475 c. M:-0.0851 c. 
 2099: 319 381 319 319 123 319 319  SP   T3   SD: 0.0471 c. M:-0.0821 c. 
 2132: 324 387 324 324 125 324 324  SP   T3   SD: 0.0497 c. M:-0.0795 c. 
 2171: 330 394 330 330 127 330 330  SP   T3   SD: 0.0501 c. M:-0.0772 c. 
 2204: 335 400 335 335 129 335 335  SP   T3   SD: 0.0434 c. M:-0.0730 c. 
 2237: 340 406 340 340 131 340 340  SP   T3   SD: 0.0394 c. M:-0.0703 c. 
 2270: 345 412 345 345 133 345 345  SP   T3   SD: 0.0387 c. M:-0.0677 c. 
 2303: 350 418 350 350 135 350 350  SP   T3   SD: 0.0410 c. M:-0.0658 c. 
 2375: 361 431 361 361 139 361 361  SP   T3   SD: 0.0370 c. M:-0.0599 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: 31.4805 cents
 3 x x 4 x 5 x 6  S SD: 32.5781 cents
 4 x 5 x 6 x 7:8  S SD: 20.2066 cents
 5 x 6:7 x 8:9:10  S SD: 17.4324 cents
 6:7 x 8:9:10:11:12  S SD: 24.5288 cents
 7:8:9:10:11 x 13:14    SD: 14.9643 cents
 8:9:10:11:12:13:14:16  S SD: 12.7751 cents
 10:11:13:14 x 16:18:20    SD: 10.1279 cents
 11:12:14:15:17:18:20:22    SD: 9.1700 cents
 12:13:15:17:19 x 22:24    SD: 11.1546 cents
 14:16:18:20:22:23:25:28    SD: 10.9849 cents
 15:17:19:21:23:24:27:30    SD: 6.9132 cents
 16:18:20:22:25:26:29:32    SD: 6.1567 cents
 18:20:23:25:28:29:32:36    SD: 5.2136 cents
 20:22:25:28:31:32:36:40    SD: 4.5038 cents
 27:30:34:38:42:44:49:54    SD: 2.8253 cents
 35:39:44:49:54:57:63:70    SD: 2.5741 cents
 43:48:54:60:67:70:77:86    SD: 2.4357 cents
 45:50:57:63:70:73:81:90    SD: 1.3484 cents
 65:72:82:91:101:105:117:130    SD: 1.1153 cents
 81:90:102:113:126:131:146:162    SD: 1.0354 cents
 90:100:113:126:140:146:162:180    SD: 0.9374 cents
 92:102:116:129:143:149:166:184    SD: 0.9292 cents
 100:111:126:140:156:162:180:200    SD: 0.7477 cents
 108:120:136:151:168:175:194:216    SD: 0.6253 cents
 135:150:170:189:210:219:243:270    SD: 0.3689 cents
 200:222:252:280:311:324:360:400    SD: 0.2627 cents
 250:278:315:350:389:405:450:500    SD: 0.2100 cents
 315:350:397:441:490:510:567:630    SD: 0.1582 cents
 405:450:510:567:630:656:729:810    SD: 0.1502 cents
 450:500:567:630:700:729:810:900    SD: 0.0000 cents