Scala analysis: 462_D15

Diatonic tetrachord 9/8 * 17/16 * 512/459

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

SHOW
  0:          1/1               0.000000 unison, perfect prime
  1:          9/8             203.910002 major whole tone
  2:        153/128           308.865411
  3:          4/3             498.044999 perfect fourth
SHOW/INTERVAL
  0:        512/459           189.1796 
  1:          9/8             203.9100 major whole tone
  2:         17/16            104.9554 17th harmonic
  3:        512/459           189.1796 
SHOW INTERVALS
Interval class, Number of incidences, Size:
  1:   1 17/16               104.955 cents  17th harmonic
  1:   1 512/459             189.180 cents  
  1:   1 9/8                 203.910 cents  major whole tone
  2:   1 32/27               294.135 cents  Pythagorean minor third
  2:   1 153/128             308.865 cents  
  2:   1 64/51               393.090 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    
 0.0  : 203.9 308.9 498.0
 203.9: 105.0 294.1 498.0
 308.9: 189.2 393.1 498.0
 498.0
SHOW/SPAN INTERVALS
Interval class, Interval span, Span size, Gap to prev. class:
  1:  104.9554  .. 203.9100 cents      18/17, 98.9546 cents               17/16, 104.9554 cents
  2:  294.1350  .. 393.0896 cents      18/17, 98.9546 cents               256/243, 90.2250 cents
SHOW DATA
Number of notes                     : 3
-- Interval properties --
Smallest interval                   : 17/16, 104.9554 cents, class 1
Average step (divided formal octave): 166.0150 cents
Largest one step interval           : 9/8, 203.9100 cents
Average / Smallest step             : 1.581767
Largest / Average step              : 1.228263
Largest / Smallest step             : 1.942825
Median interval of one step         : 512/459, 189.1796 cents, amount: 1
Least squares average step          : 165.41256 cents, oct.:  496.23768 cents
Scale is strictly proper
Scale has trivalence property
Scale is a mode of a 1082-tone equal temperament with octave  4/3
  degrees: 443 671 1082
Least number of segments generator  : 543 of 249.943 cents and inv.
  number of contiguous generator circle segments: 1
Shortest superset generator         : 1021 of 469.967 cents and inv.
  generated superset size: 26 = 23 more = 866.667%
Number of contiguous 1-step segments: 0
Step pattern alph. order: ABC
Step pattern size order : LSM
Scale is sum-free (all different intervals)
Scale is a Constant Structure, by a margin of 90.22500 cents
Scale diversity                     : 1.171077
Rothenberg stability                : 1.000000 = 1
Lumma stability                     : 0.602628
Rothenberg efficiency               : 0.666667   redundancy: 0.333333
Efficiency x scale size             : 2.000000
Number of different interval sizes  : 6 = 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        : 4131/4096, 14.7304 cents
Number of recognisable fifths       : 0
Number of recognisable fourths      : 0
Best major thirds form a closed circle
Best minor thirds form a closed circle
Length of longest harmonic part     : 1 at degree 0
Length of longest subharmonic part  : 1 at degree 0
Formal octave complements present   : 1 = 33.3333%
2/1 octave complements present      : 0 = 0.0000%
Scale is n-1 differentially coherent in interval class 1
-- Rational properties --
Prime limit                         : 17
Odd number limit                    : 459 (O: 153 U: 459)
Highest odd numerator or denominator: 153
Scale harmonicity                   : 0.021223
Average absolute harmonicity        : 0.119280
Specific harmonicity                : 0.106890
Fundamental                         : 1/384, -8.5850 octaves, 0.6813 Hz.
Guide tone                          : 612,  9.2574 octaves, 160114.846 Hz.
Exponens Consonantiae               : 2.350080E+05, 17.84235 octaves
Euler's gradus suavitatis           : 32
Sum of Mann's harmonic distance     : 152.5, average 50.83333
Mersenne's string divisions         : 33439
Sum of van Prooijen's expressibility: 3.61606, average 1.20535
Sum of Tenney's harmonic distance   : 7.22842, average 2.40947
Vogel's harmonic complexity         : 16.00000
Wille's k value                     : 229
Wilson's harmonic complexity        : 26
Rectangular lattice diameter        : 4
Triangular lattice diameter         : 4
Lattice compactness                 : 32.68354, average 5.44726
Lattice compactness (without 2's)   : 12.39835, average 2.06639
Number of different primes          : 3
Prime exponents' range, average, count, tones@limit:
  2:  -7 .. 2        -2.66667   12
  3:  -1 .. 2         1.00000   5     2
 17:   0 .. 1         0.33333   1     1
Average exponent except 2's         : 4 / 3 = 1.33333
Average absolute exponent except 2's: 6 / 3 = 2.00000
Scale is weakly epimorphic with val: <7 10 32|
Scale is JI-epimorphic with val: <7 11 29|
Scale is weakly epimorphic with val: <7 11 32|
Scale is weakly epimorphic with val: <7 12 29|
Scale is weakly epimorphic with val: <7 12 32|
FIT/MODE
  3:  1 1 1  SP B ME I SD: 25.6426 c. M: 37.8950 c. 
  5:  2 1 2  SP M ME I SD: 6.3975 c. M: 10.0384 c. 
 19:  8 4 7  SP   T3   SD: 4.6879 c. M:-5.7932 c. 
 22:  9 5 8  SP   T3   SD: 4.6615 c. M:-8.0723 c. 
 24:  10 5 9  SP   T3   SD: 2.5063 c. M:-3.6087 c. 
 29:  12 6 11  SP   T3   SD: 1.2666 c. M:-2.1776 c. 
 34:  14 7 13  SP   T3   SD: 0.9872 c. M: 1.2494 c. 
 61:  25 13 23  SP   T3   SD: 0.8126 c. M:-1.3921 c. 
 66:  27 14 25  SP   T3   SD: 0.3183 c. M:-0.5262 c. 
 71:  29 15 27  SP   T3   SD: 0.3060 c. M: 0.4832 c. 
 100: 41 21 38  SP   T3   SD: 0.1724 c. M:-0.2884 c. 
 166: 68 35 63  SP   T3   SD: 0.1128 c. M:-0.1625 c. 
 171: 70 36 65  SP   T3   SD: 0.0805 c. M: 0.1358 c. 
 237: 97 50 90  SP   T3   SD: 0.0486 c. M: 0.0688 c. 
 337: 138 71 128  SP   T3   SD: 0.0224 c. M:-0.0372 c. 
 574: 235 121 218  SP   T3   SD: 0.0158 c. M:-0.0266 c. 
 745: 305 157 283  SP   T3   SD: 0.0094 c. M: 0.0124 c. 
 1082: 443 228 411  SP   T3   SD: 0.0028 c. M: 0.0039 c. 
FIT/HARMONIC
 1 x x 2  S SD: 701.9550 cents
 2 x x 3  S SD: 203.9100 cents
 3 x x 4  S SD: 0.0000 cents
 4 x 5 x  S SD: 77.4483 cents
 5 x 6:7  S SD: 42.3693 cents
 6 x 7:8  S SD: 20.9973 cents
 7:8 x 9  S SD: 34.3053 cents
 8:9:10:11  H SD: 31.3338 cents
 9:10:11:12  H SD: 14.7122 cents
 12 x 14:16  S SD: 20.9973 cents
 14:16:17:19    SD: 16.4168 cents
 15:17:18:20    SD: 4.8207 cents
 40:45:48:53    SD: 4.2652 cents
 41:46:49:55    SD: 3.8429 cents
 47:53:56:63    SD: 3.8271 cents
 48:54:57:64    SD: 3.7841 cents
 55:62:66:73    SD: 3.6565 cents
 56:63:67:75    SD: 2.6263 cents
 57:64:68:76    SD: 1.5924 cents
 72:81:86:96    SD: 0.4192 cents
 225:253:269:300    SD: 0.3083 cents
 240:270:287:320    SD: 0.2514 cents
 297:334:355:396    SD: 0.2163 cents
 312:351:373:416    SD: 0.0967 cents
 384:432:459:512    SD: 0.0000 cents