No-threes subgroup temperaments: Difference between revisions
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== 2.5.7 temperaments == | == 2.5.7 temperaments == | ||
=== Didacus === | === Didacus === | ||
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[[Tp tuning #T2 tuning|RMS error]]: 0.0586 cents | [[Tp tuning #T2 tuning|RMS error]]: 0.0586 cents | ||
=== | === Bastille === | ||
{{See also| | {{Main|Bastille}} | ||
Described as the 2.5.7 subgroup 1407 & 1789 temperament, and named after an eponymous historical event which took place on July 14, 1789 (14/07/1789). Extensions discussed elsewhere include [[The Jacobins#Pure Bastille|pure bastille]]. | |||
Subgroup: 2.5.7 | |||
Comma list: {{Monzo|1426 -596 -15}} | |||
Sval mapping: [{{Val|1 -4 254}}, {{Val|0 -15 596}}] | |||
Optimal tuning (CTE): ~{{Monzo|381 0 -159 -4}} = 694.243 | |||
{{Optimal ET sequence|legend=1|382, 1025, 1407, 1789, 3196}}, ... | |||
=== Frostburn === | |||
{{See also| Magic family #Quadrimage }} | |||
[[Subgroup]]: 2.5.7 | |||
[[Comma list]]: 78125/76832 | |||
{{Mapping|legend=2| 1 3 4 | 0 -4 -7 }} | |||
: Sval mapping generators: ~2, ~28/25 | |||
[[Optimal tuning]] ([[TE tuning|TE]]): ~2/1 = 1200.3479, ~28/25 = 204.3389 | |||
{{Optimal ET sequence|legend=1| 6, 29, 35, 41, 47 }} | |||
==== 2.5.7.11 ==== | |||
Subgroup: 2.5.7.11 | |||
Comma list: 245/242, 625/616 | |||
{{Mapping|legend=2| 1 3 4 5 | 0 -4 -7 -9 }} | |||
: Sval mapping generators: ~2, ~28/25 | |||
Optimal tuning (TE): ~2/1 = 1200.6817, ~28/25 = 205.0745 | |||
{{Optimal ET sequence|legend=1| 6, 23de, 29, 35, 41 }} | |||
=== Llywelyn aka shoe === | |||
{{See also| Chromatic pairs #Shoe }} | |||
{{See also| Llywelyn clan #Llywelyn aka shoe }} | |||
[[Subgroup]]: 2.5.7 | [[Subgroup]]: 2.5.7 | ||
[[Comma list]]: | [[Comma list]]: 4194304/4117715 | ||
[[Sval]] [[mapping]]: [{{ | [[Sval]] [[mapping]]: [{{Val| 1 1 3 }}, {{Val| 0 7 -1 }}] | ||
Mapping generators: 2, ~8/7 | |||
[[Gencom]] [[mapping]]: [{{ | [[Gencom]] [[mapping]]: [{{Val| 1 0 1 3 }}, {{Val| 0 0 7 -1 }}] | ||
[[Gencom]]: [2 8/7; 4194304/4117715] | |||
[[Optimal tuning]] ([[POTE]]): ~8/7 = 226.910 | |||
= | {{Optimal ET sequence|legend=1| 5, 11c, 16, 21, 37 }} | ||
==== 2.5.7.11 subgroup ==== | |||
Subgroup: 2.5.7.11 | |||
Comma list: 176/175, 1310720/1294139 | |||
Sval mapping: [{{val| 1 1 3 1 }}, {{val| 0 7 -1 13 }}] | |||
Gencom: [2 8/7; 176/175 1310720/1294139] | |||
Gencom mapping: [{{val| 1 0 1 3 1 }}, {{val| 0 0 7 -1 13 }}] | |||
Optimal tuning (POTE): ~8/7 = 227.114 | |||
= | {{Optimal ET sequence|legend=1| 16, 21, 37 }} | ||
==== 2.5.7.11.13 subgroup ==== | |||
Subgroup: 2.5.7.11.13 | |||
Comma list: 176/175, 640/637, 847/845 | |||
Sval mapping: [{{val| 1 1 3 1 2 }}, {{val| 0 7 -1 13 9 }}] | |||
Gencom: [2 8/7; 176/175 640/637, 1304576/1294139] | |||
Gencom mapping: [{{val| 1 0 1 3 1 2 }}, {{val| 0 0 7 -1 13 9 }}] | |||
Optimal tuning (POTE): ~8/7 = 227.108 | |||
= | {{Optimal ET sequence|legend=1| 16, 21, 37 }} | ||
==== 2.5.7.11.13.17 subgroup ==== | |||
Subgroup: 2.5.7.11.13.17 | |||
Comma list: 176/175, 221/200, 640/637, 833/832 | |||
Sval mapping: [{{val| 1 1 3 1 2 2 }}, {{val| 0 7 -1 13 9 11 }}] | |||
Gencom: [2 8/7; 176/175 221/200, 640/637, 833/832] | |||
Gencom mapping: [{{val| 1 0 1 3 1 2 2 }}, {{val| 0 0 7 -1 13 9 11 }}] | |||
Optimal tuning (POTE): ~8/7 = 227.242 | |||
{{Optimal ET sequence|legend=1| 16, 21, 37 }} | |||
{{ | |||
=== French decimal === | |||
Conceived upon the fact that 1789edo has an excellent 5/4, and uses it as the generator. This rings particularly true for the French attempts to decimalize a lot more things than we are used to today. Using the maximal evenness method of finding rank-2 temperaments, a 1525 & 1789 temperament is obtained. | |||
Subgroup: 2.5.7 | |||
{{ | Comma basis: {{monzo|372 -159 -1}} | ||
Sval mapping: [{{val| 1 2 54}}, {{val|0 1 -159}}] | |||
Optimal tuning (CTE): ~5/4 = 386.360 | |||
{{Optimal ET sequence|legend=1| | {{Optimal ET sequence|legend=1|205, 264, 469, 733, 997, 1261, 1525, 1789}}, ... | ||
==== 2.5.7.11 ==== | ==== 2.5.7.11 subgroup ==== | ||
Subgroup: 2.5.7.11 | Subgroup: 2.5.7.11 | ||
Comma | Comma basis: {{monzo|-49 8 17 -5}}, {{monzo|45 -27 10 -3}} | ||
Sval mapping: [{{val| 1 2 54 -177}}, {{val|0 1 -159 -539}}] | |||
Optimal tuning (CTE): ~5/4 = 386.361 | |||
{{Optimal ET sequence|legend=1|264, 733}}, ... | |||
==== 2.5.7.11.13 subgroup ==== | |||
Subgroup: 2.5.7.11.13 | |||
Comma basis: 28824005/28792192, 200126927/200000000, 6106906624/6103515625 | |||
Sval mapping: [{{val| 1 2 54 -177 52}}, {{val|0 1 -159 -539 173}}] | |||
Optimal tuning ( | Optimal tuning (CTE): ~5/4 = 386.361 | ||
{{Optimal ET sequence|legend=1| | {{Optimal ET sequence|legend=1|1525, 1789}}, ... | ||
=== Ostara === | === Ostara === | ||
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{{Optimal ET sequence|legend=1| 52, 1737, 1789 }}, ... | {{Optimal ET sequence|legend=1| 52, 1737, 1789 }}, ... | ||
=== | === Mercy === | ||
{{See also| Quince clan #Mercy }} | |||
Two generators make an [[8/7]]; seven generators make an [[8/5]]. Mercy can be thought of as a way to conceptualize the 2.5.7.13.17.19 subgroup of [[31edo]], and is the no-threes or elevens version of [[miracle]]. | |||
[[Subgroup]]: 2.5.7 | |||
[[Comma list]]: 823543/819200 | |||
[[Sval]] [[mapping]]: [{{val| 1 3 3 }}, {{val| 0 -7 -2 }}] | |||
[[Gencom]]: [2 2744/2560; 823543/819200] | |||
[[Gencom]] [[mapping]]: [{{val| 1 0 3 3 }}, {{val| 0 0 -7 -2 }}] | |||
Optimal tuning ([[POTE]]): ~343/320 = 116.291 | |||
{{Optimal ET sequence|legend=1| 10, 21, 31, 134, 165, 196, 227, 485d, 712d, 1197dd }} | |||
Subgroup: 2.5.7 | ==== 2.5.7.13 ==== | ||
[[Subgroup]]: 2.5.7.13 | |||
Comma | [[Comma list]]: 343/338, 640/637 | ||
Sval mapping: [{{val| 1 | [[Sval]] [[mapping]]: [{{val| 1 3 3 4 }}, {{val| 0 -7 -2 -3 }}] | ||
[[Gencom]]: [2 14/13; 343/338 640/637] | |||
{{ | [[Gencom]] [[mapping]]: [{{val| 1 0 3 3 4 }}, {{val| 0 0 -7 -2 -3 }}] | ||
= | Optimal tuning ([[POTE]]): ~14/13 = 116.094 | ||
{{Optimal ET sequence|legend=1| 10, 21, 31}} | |||
==== 2.5.7.13.17 ==== | |||
[[Subgroup]]: 2.5.7.13.17 | |||
[[Comma list]]: 170/169, 224/221, 640/637 | |||
{{ | [[Sval]] [[mapping]]: [{{val| 1 3 3 4 4 }}, {{val| 0 -7 -2 -3 1 }}] | ||
[[Gencom]]: [2 14/13; 170/169 224/221 640/637] | |||
[[Gencom]] [[mapping]]: [{{val| 1 0 3 3 4 4 }}, {{val| 0 0 -7 -2 -3 1 }}] | |||
Optimal tuning ([[POTE]]): ~14/13 = 115.769 | |||
Optimal | {{Optimal ET sequence|legend=1| 10, 21, 31}} | ||
==== 2.5.7.13.17.19 ==== | |||
[[Subgroup]]: 2.5.7.13.17.19 | |||
[[Comma list]]: 170/169, 343/338, 640/637, 16384/16055 | |||
[[Sval]] [[mapping]]: [{{val| 1 3 3 4 4 3 }}, {{val| 0 -7 -2 -3 1 13 }}] | |||
[[Gencom]] [[mapping]]: [{{val| 1 0 3 3 4 4 3 }}, {{val| 0 0 -7 -2 -3 1 13 }}] | |||
[[Gencom]]: [2 14/13; 170/169 343/338 640/637 16384/16055] | |||
Optimal tuning ( | Optimal tuning ([[POTE]]): ~14/13 = 115.716 | ||
{{Optimal ET sequence|legend=1| | {{Optimal ET sequence|legend=1| 10, 21, 31, 52f }} | ||
=== Pakkanen (rank 3) === | === Pakkanen (rank 3) === | ||