26th-octave temperaments: Difference between revisions
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{{Technical data page}} | {{Technical data page}} | ||
{{Infobox fractional-octave|26}} | {{Infobox fractional-octave|26}} | ||
All temperaments on this page have a period that is | All temperaments on this page have a period that is 1/26th of an octave. However, the {{monzo| -41 26 }} comma is not tempered out. Thus the 3/2 is not that of [[26edo]]. However, 7/4 is, as is 11/8 in the bosonic temperaments. | ||
26edo is very accurate for 7th harmonic, the [[26-7-comma]] ({{monzo|73 0 0 -26}}, the amount by which 26 septimal whole tones ([[8/7]]) exceed 5 octaves) is tempered out by 26-fold multiple | 26edo is very accurate for 7th harmonic, the [[26-7-comma]] ({{monzo| 73 0 0 -26 }}, the amount by which 26 septimal whole tones ([[8/7]]) exceed 5 octaves) is tempered out by 26-fold multiple edos up to 1456 (such as [[26edo|26-]], [[130edo|130-]], [[286edo|286-]] or [[546edo|546edo]]). | ||
== Bosonic == | == Bosonic == | ||
{{See also| Miscellaneous 5-limit temperaments #Tridecatonic }} | {{See also| Miscellaneous 5-limit temperaments #Tridecatonic }} | ||
Subgroup: 2.3.5.7 | [[Subgroup]]: 2.3.5.7 | ||
[[Comma list]]: 321489/320000, 589824/588245 | [[Comma list]]: 321489/320000, 589824/588245 | ||
{{Mapping|legend=1| 26 0 -22 73 | 0 1 2 0 }} | |||
: mapping generators: ~36/35, ~3 | |||
[[Optimal tuning]]s ([[POTE]]): ~36/35 = 46.154{{c}}, ~3/2 = 701.250{{c}} | |||
{{Optimal ET sequence|legend=1| 26, 130, 546, 676, 806c }} | {{Optimal ET sequence|legend=1| 26, 130, 546, 676, 806c }} | ||
[[Badness]]: 0.155827 | [[Badness]] (Smith): 0.155827 | ||
=== 11-limit === | === 11-limit === | ||
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Comma list: 441/440, 8019/8000, 65536/65219 | Comma list: 441/440, 8019/8000, 65536/65219 | ||
Mapping: | Mapping: {{mapping| 26 0 -22 73 90 | 0 1 2 0 0 }} | ||
POTE | Optimal tuning (POTE): ~36/35 = 46.154{{c}}, ~3/2 = 701.559{{c}} | ||
{{Optimal ET sequence|legend= | {{Optimal ET sequence|legend=0| 26, 104c, 130 }} | ||
Badness: 0.065219 | Badness (Smith): 0.065219 | ||
==== 13-limit ==== | ==== 13-limit ==== | ||
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Comma list: 351/350, 364/363, 441/440, 15379/15360 | Comma list: 351/350, 364/363, 441/440, 15379/15360 | ||
Mapping: | Mapping: {{mapping| 26 0 -22 73 90 55 | 0 1 2 0 0 1 }} | ||
POTE | Optimal tuning (POTE): ~36/35 = 46.154{{c}}, ~3/2 = 701.546{{c}} | ||
{{Optimal ET sequence|legend= | {{Optimal ET sequence|legend=0| 26, 104c, 130 }} | ||
Badness: 0.032946 | Badness (Smith): 0.032946 | ||
=== Fermionic === | === Fermionic === | ||
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Comma list: 540/539, 78408/78125, 177147/176000 | Comma list: 540/539, 78408/78125, 177147/176000 | ||
Mapping: | Mapping: {{mapping| 26 0 -22 73 -116 | 0 1 2 0 5 }} | ||
POTE | Optimal tuning (POTE): ~36/35 = 46.154{{c}}, ~3/2 = 701.077{{c}} | ||
{{Optimal ET sequence|legend= | {{Optimal ET sequence|legend=0| 130, 286, 416, 546, 1508bcd }} | ||
Badness: 0.090642 | Badness (Smith): 0.090642 | ||
==== 13-limit ==== | ==== 13-limit ==== | ||
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Comma list: 351/350, 540/539, 40656/40625, 142884/142805 | Comma list: 351/350, 540/539, 40656/40625, 142884/142805 | ||
Mapping: | Mapping: {{mapping| 26 0 -22 73 -116 55 | 0 1 2 0 5 1 }} | ||
POTE | Optimal tuning (POTE): ~36/35 = 46.154{{c}}, ~3/2 = 701.038{{c}} | ||
{{Optimal ET sequence|legend= | {{Optimal ET sequence|legend=0| 130, 286, 416, 546, 962bf }} | ||
Badness: 0.043581 | Badness (Smith): 0.043581 | ||
== Iron == | == Iron == | ||
Iron is named after the 26th element. | |||
[[Subgroup]]: 2.3.5.7 | [[Subgroup]]: 2.3.5.7 | ||
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[[Comma list]]: 2460375/2458624, 2147483648/2144153025 | [[Comma list]]: 2460375/2458624, 2147483648/2144153025 | ||
{{Mapping|legend=1| 26 26 106 73 | 0 1 -3 0 }} | |||
: mapping generators: ~17280/16807, ~3/2 | |||
[[ | [[Optimal tuning]]s ([[CTE]]): ~17280/16807 = 46.154{{c}}, ~3/2 = 702.017 | ||
{{Optimal ET sequence|legend=1|130, 364, 494, 624, …}} | |||
{{Optimal ET sequence|legend=1|130, 364, 494, 624}} | |||
=== 11-limit === | === 11-limit === | ||
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Comma list: 9801/9800, 131072/130977, 759375/758912 | Comma list: 9801/9800, 131072/130977, 759375/758912 | ||
Mapping: | Mapping: {{mapping| 26 26 106 73 166 | 0 1 -3 0 -5 }} | ||
Optimal tuning (CTE): ~77/75 = 46.154{{c}}, ~3/2 = 702.017{{c}} | |||
{{Optimal ET sequence|legend=0| 130, 364, 494, 624, … }} | |||
{{Optimal ET sequence|legend= | |||
=== 13-limit === | === 13-limit === | ||
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Comma list: 1716/1715, 2080/2079, 4096/4095, 91125/91091 | Comma list: 1716/1715, 2080/2079, 4096/4095, 91125/91091 | ||
Mapping: | Mapping: {{mapping| 26 26 106 73 166 81 | 0 1 -3 0 -5 1 }} | ||
Optimal tuning (CTE): | Optimal tuning (CTE): ~77/75 = 46.154{{c}}, ~3/2 = 702.018{{c}} | ||
{{Optimal ET sequence|legend= | {{Optimal ET sequence|legend=0| 130, 364, 494, 624, … }} | ||
{{Navbox fractional-octave}} | {{Navbox fractional-octave}} | ||
[[Category:26edo]] | [[Category:26edo]] | ||