Scala analysis: 623_T30

Aristoxenian style tetrachord 4.5 + 7.5 + 18, Chapter 4

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

SHOW
  0:          1/1               0.000000 unison, perfect prime
  1:         75.000 cents      75.000000
  2:        200.000 cents     200.000000
  3:        500.000 cents     500.000000
SHOW/INTERVAL
  0:        300.0000 cents    300.0000
  1:         75.0000 cents     75.0000
  2:        125.0000 cents    125.0000
  3:        300.0000 cents    300.0000
SHOW INTERVALS
Interval class, Number of incidences, Size:
  1:   1 75.00000 cents
  1:   1 125.00000 cents
  1:   1 300.00000 cents
  2:   1 200.00000 cents
  2:   1 375.00000 cents
  2:   1 425.00000 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  : 75.0  200.0 500.0
 75.0 : 125.0 425.0 500.0
 200.0: 300.0 375.0 500.0
 500.0
SHOW/SPAN INTERVALS
Interval class, Interval span, Span size, Gap to prev. class:
  1:  75.0000   .. 300.0000 cents      225.00000 cents                    75.00000 cents
  2:  200.0000  .. 425.0000 cents      225.00000 cents                   -100.00000 cents
SHOW DATA
Number of notes                     : 3
-- Interval properties --
Smallest interval                   : 75.00000 cents, class 1
Average step (divided formal octave): 166.6667 cents
Largest one step interval           : 300.00000 cents
Average / Smallest step             : 2.222222
Largest / Average step              : 1.800000
Largest / Smallest step             : 4.000000
Median interval of one step         : 125.00000 cents, amount: 1
Least squares average step          : 141.07143 cents, oct.:  423.21429 cents
Scale is not proper
Scale has trivalence property
Scale is a mode of a 20-tone equal temperament with octave  500.000 cents
  degrees: 3 8 20
Least number of segments generator  : 11 of 275.000 cents and inv.
  number of contiguous generator circle segments: 1
Shortest superset generator         : 17 of 425.000 cents and inv.
  generated superset size: 6 = 3 more = 200.000%
Number of contiguous 1-step segments: 0
Step pattern alph. order: ABC
Step pattern size order : SML
Interval vector is [ 0 0 1 0 1 0 0 1 0 0 ]
Scale is sum-free (all different intervals)
Scale is a Constant Structure, by a margin of 75.00000 cents
Scale diversity                     : 1.050690
Lumma stability                     : 0.300000
Lumma impropriety factor            : 0.200000
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        : 50.00000 cents
Number of recognisable fifths       : 0
Number of recognisable fourths      : 0
Steps are strictly increasing
Formal octave complements present   : 1 = 33.3333%
2/1 octave complements present      : 0 = 0.0000%
-- Rational properties --
FIT/MODE
  3:  0 1 2   N G T3   SD: 47.3853 c. M: 75.0000 c. 
  5:  1 1 3   N M DE S SD: 14.4338 c. M:-25.0000 c. 
  7:  1 2 4   N   T3   SD: 8.5017 c. M:-14.2857 c. 
  8:  1 2 5   N   T3   SD: 10.2062 c. M: 12.5000 c. 
 12:  2 3 7   N   T3   SD: 6.8041 c. M:-8.3333 c. 
 13:  2 3 8   N   T3   SD: 4.5778 c. M: 7.6923 c. 
 15:  2 4 9   N   T3   SD: 4.8113 c. M: 8.3333 c. 
 20:  3 5 12   N   T3   SD: 0.0000 c. M:-0.0000 c. 
FIT/HARMONIC
 1 x x 2  S SD: 700.0000 cents
 2 x x 3  S SD: 201.9550 cents
 3 x x 4  S SD: 1.9550 cents
 4 x x 5  S SD: 113.6863 cents
 5 x 6:7  S SD: 71.0302 cents
 6 x 7:8  S SD: 33.4497 cents
 7 x 8:9  S SD: 36.0066 cents
 8 x 9:11    SD: 25.7333 cents
 9 x 10:12  S SD: 8.8523 cents
 10 x 11:13    SD: 28.8143 cents
 11 x 12:15  S SD: 30.8304 cents
 12 x 13:16    SD: 30.7292 cents
 13:14:15:17    SD: 26.6360 cents
 14:15:16:19    SD: 20.4666 cents
 15:16:17:20    SD: 13.4638 cents
 17:18:19:23    SD: 11.4163 cents
 18:19:20:24  S SD: 8.5604 cents
 23:24:26:31    SD: 6.9348 cents
 24:25:27:32    SD: 2.0504 cents
 65:68:73:87    SD: 1.9032 cents
 66:69:74:88    SD: 1.1240 cents
 90:94:101:120    SD: 0.6699 cents
 155:162:174:207    SD: 0.5670 cents
 179:187:201:239    SD: 0.3593 cents
 245:256:275:327    SD: 0.3506 cents
 269:281:302:359    SD: 0.2449 cents
 385:402:432:514    SD: 0.2296 cents
 409:427:459:546    SD: 0.1900 cents
 499:521:560:666    SD: 0.1687 cents
 564:589:633:753    SD: 0.1343 cents
 588:614:660:785    SD: 0.0897 cents