91st-octave temperaments: Difference between revisions
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{{Infobox fractional-octave|91}} | |||
{{todo|intro}} | |||
== Protactinium == | |||
Protactinium is described as the 364 & 1547 temperament and named after the 91st element. Coincidentally, it reaches [[91/64]] in 1 generator. | |||
Protactinium is described as the 364 & 1547 temperament and named after the 91st element. | |||
Subgroup: 2.3.5.7 | Subgroup: 2.3.5.7 | ||
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[[Support]]ing [[ET]]s: {{EDOs|364, 819, 1183, 1547, 1911, 2730, 3094, 3913, 4277}} | [[Support]]ing [[ET]]s: {{EDOs|364, 819, 1183, 1547, 1911, 2730, 3094, 3913, 4277}} | ||
====11-limit==== | |||
==== 11-limit ==== | |||
Subgroup: 2.3.5.7.11 | Subgroup: 2.3.5.7.11 | ||
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[[Support]]ing [[ET]]s: {{EDOs|364, 819e, 1183, 1547, 1911, 2275, 2730e, 3458}} | [[Support]]ing [[ET]]s: {{EDOs|364, 819e, 1183, 1547, 1911, 2275, 2730e, 3458}} | ||
====13-limit==== | |||
==== 13-limit ==== | |||
Subgroup: 2.3.5.7.11.13 | Subgroup: 2.3.5.7.11.13 | ||
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Badness: 0.0777 | Badness: 0.0777 | ||
====17-limit==== | |||
==== 17-limit ==== | |||
Subgroup: 2.3.5.7.11.13.17 | Subgroup: 2.3.5.7.11.13.17 | ||
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Badness: 0.0582 | Badness: 0.0582 | ||
{{Navbox fractional-octave}} | |||
Latest revision as of 03:45, 14 February 2025
Protactinium
Protactinium is described as the 364 & 1547 temperament and named after the 91st element. Coincidentally, it reaches 91/64 in 1 generator.
Subgroup: 2.3.5.7
Comma list: [47 -7 -7 -7⟩, [-2 -25 1 14⟩
Mapping: [⟨91 0 644 -33 1036], ⟨0 1 -3 -2 -5]]
- mapping generators: ~1728/1715, ~3
Optimal tuning (CTE): ~3/2 = 701.991
Supporting ETs: 364, 819, 1183, 1547, 1911, 2730, 3094, 3913, 4277
11-limit
Subgroup: 2.3.5.7.11
Comma list: 234375/234256, 26214400/26198073, 514714375/514434888
Mapping: [⟨91 0 644 -33 1036], ⟨0 1 -3 -2 -5]]
- mapping generators: ~1728/1715, ~3
Optimal tuning (CTE): ~3/2 = 702.015
Supporting ETs: 364, 819e, 1183, 1547, 1911, 2275, 2730e, 3458
13-limit
Subgroup: 2.3.5.7.11.13
Comma list: 4096/4095, 91125/91091, 369754/369603, 2912000/2910897
Mapping: [⟨91 0 644 -33 1036 481], ⟨0 1 -3 -2 -5 -1]]
- mapping generators: ~1728/1715, ~3
Optimal tuning (CTE): ~3/2 = 702.0195
Optimal ET sequence: 364, 819e, 1183, 1547
Badness: 0.0777
17-limit
Subgroup: 2.3.5.7.11.13.17
Comma list: 4096/4095, 14400/14399, 42500/42471, 75735/75712, 2100875/2100384
Mapping: [⟨91 0 644 -33 1036 481 -205], ⟨0 1 -3 -2 -5 -1 4]]
Optimal tuning (CTE): ~3/2 = 702.0269
Optimal ET sequence: 364, 1183, 1547, 1911
Badness: 0.0582