292edo: Difference between revisions
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{{Infobox ET | {{Infobox ET}} | ||
{{ED intro}} | |||
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== Theory == | == Theory == | ||
292edo is closely related to [[146edo]], but the patent | 292edo is closely related to [[146edo]], but the [[patent val]]s differ on the mapping for [[3/1|3]]. As an equal temperament, it [[tempering out|tempers out]] {{monzo| 3 -18 11 }} ([[quartonic comma]]) and {{monzo| 38 -2 -15 }} ([[luna comma|luna/hemithirds comma]]) in the [[5-limit]]; 5120/5103 ([[5120/5103|hemifamity]]), 390625/388962 ([[dimcomp comma|dimcomp]]), 420175/419904 ([[wizma]]), and 4802000/4782969 ([[canousma]]) in the [[7-limit]]; 1375/1372, [[5632/5625]], [[6250/6237]], [[9801/9800]] and [[14641/14580]] in the [[11-limit]]; [[352/351]], [[625/624]], [[847/845]], [[1716/1715]], and [[2080/2079]] in the [[13-limit]]. | ||
It provides the [[optimal patent val]] for the [[undim]] temperament in the 7-, 11-, and 13-limit, and notably [[support]]s [[ | It provides the [[optimal patent val]] for the [[undim]] temperament in the 7-, 11-, and 13-limit, and notably [[support]]s [[hemifamity temperaments #Semiseptiquarter|semiseptiquarter]] and [[semiluna]]. | ||
=== Prime harmonics === | === Prime harmonics === | ||
{{Harmonics in equal|292}} | {{Harmonics in equal|292}} | ||
=== Subsets and supersets === | |||
Since 292 factors into 2<sup>2</sup> × 73, 292edo has subset edos {{EDOs| 2, 4, 73, and 146 }}. | |||
== Regular temperament properties == | == Regular temperament properties == | ||
{| class="wikitable center-4 center-5 center-6" | {| class="wikitable center-4 center-5 center-6" | ||
! rowspan="2" | Subgroup | |- | ||
! rowspan="2" | [[Subgroup]] | |||
! rowspan="2" | [[Comma list]] | ! rowspan="2" | [[Comma list]] | ||
! rowspan="2" | [[Mapping]] | ! rowspan="2" | [[Mapping]] | ||
! rowspan="2" | Optimal<br>8ve stretch (¢) | ! rowspan="2" | Optimal<br />8ve stretch (¢) | ||
! colspan="2" | Tuning error | ! colspan="2" | Tuning error | ||
|- | |- | ||
| Line 29: | Line 27: | ||
| 2.3 | | 2.3 | ||
| {{monzo| 463 -292 }} | | {{monzo| 463 -292 }} | ||
| | | {{mapping| 292 463 }} | ||
| | | −0.2476 | ||
| 0.2475 | | 0.2475 | ||
| 6.02 | | 6.02 | ||
| Line 36: | Line 34: | ||
| 2.3.5 | | 2.3.5 | ||
| {{monzo| 3 -18 11 }}, {{monzo| 38 -2 -15 }} | | {{monzo| 3 -18 11 }}, {{monzo| 38 -2 -15 }} | ||
| | | {{mapping| 292 463 678 }} | ||
| | | −0.1633 | ||
| 0.2346 | | 0.2346 | ||
| 5.71 | | 5.71 | ||
| Line 43: | Line 41: | ||
| 2.3.5.7 | | 2.3.5.7 | ||
| 5120/5103, 390625/388962, 420175/419904 | | 5120/5103, 390625/388962, 420175/419904 | ||
| | | {{mapping| 292 463 678 820 }} | ||
| | | −0.2148 | ||
| 0.2219 | | 0.2219 | ||
| 5.40 | | 5.40 | ||
| Line 50: | Line 48: | ||
| 2.3.5.7.11 | | 2.3.5.7.11 | ||
| 1375/1372, 5120/5103, 5632/5625, 14641/14580 | | 1375/1372, 5120/5103, 5632/5625, 14641/14580 | ||
| | | {{mapping| 292 463 678 820 1010 }} | ||
| | | −0.1353 | ||
| 0.2544 | | 0.2544 | ||
| 6.19 | | 6.19 | ||
| Line 57: | Line 55: | ||
| 2.3.5.7.11.13 | | 2.3.5.7.11.13 | ||
| 352/351, 625/624, 847/845, 1716/1715, 14641/14580 | | 352/351, 625/624, 847/845, 1716/1715, 14641/14580 | ||
| | | {{mapping| 292 463 678 820 1010 1081 }} | ||
| | | −0.3480 | ||
| 0.2736 | | 0.2736 | ||
| 6.66 | | 6.66 | ||
| Line 64: | Line 62: | ||
| 2.3.5.7.11.13.17 | | 2.3.5.7.11.13.17 | ||
| 352/351, 625/624, 715/714, 847/845, 1225/1224, 2025/2023 | | 352/351, 625/624, 715/714, 847/845, 1225/1224, 2025/2023 | ||
| | | {{mapping| 292 463 678 820 1010 1081 1194 }} | ||
| | | −0.2376 | ||
| 0.2696 | | 0.2696 | ||
| 6.56 | | 6.56 | ||
| Line 72: | Line 70: | ||
=== Rank-2 temperaments === | === Rank-2 temperaments === | ||
{| class="wikitable center-all left-5" | {| class="wikitable center-all left-5" | ||
|+Table of rank-2 temperaments by generator | |+ style="font-size: 105%;" | Table of rank-2 temperaments by generator | ||
! Periods<br>per | |- | ||
! Generator | ! Periods<br />per 8ve | ||
! Cents | ! Generator* | ||
! Associated<br>ratio | ! Cents* | ||
! Associated<br />ratio* | |||
! Temperaments | ! Temperaments | ||
|- | |- | ||
| Line 121: | Line 120: | ||
| [[Undim]] | | [[Undim]] | ||
|} | |} | ||
<nowiki />* [[Normal forms #Equave-reduced-generator form|Octave-reduced form]], reduced to the first half-octave, and [[normal forms #Minimal-generator form|minimal form]] in parentheses if distinct | |||
[[Category: | [[Category:Aberschismic]] | ||
[[Category:Septiquarter]] | [[Category:Septiquarter]] | ||
[[Category:Semiluna]] | [[Category:Semiluna]] | ||
[[Category:Undim]] | [[Category:Undim]] | ||