417edo: Difference between revisions
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{{Infobox ET}} | {{Infobox ET}} | ||
{{ | {{ED intro}} | ||
== Theory == | == Theory == | ||
417et is only consistent to the [[5-odd-limit]]. Using the patent val, it tempers out [[589824/588245]], [[43046721/43025920]], [[33554432/33480783]] and [[65625/65536]] in the 7-limit; 78121827/77948684, 20155392/20131375, 10333575/10307264, 1019215872/1019046875, 46656/46585, 1366875/1362944, 78675968/78594219, [[536870912/535869675]], 7168000/7144929, 496125/495616, 514714375/514434888, 2359296/2358125, [[540/539]], 1265625/1261568, 17561600/17537553, 180224/180075, 1375/1372, 645922816/645700815, [[3025/3024]], 9453125/9437184 and 1362944/1361367 in the 11-limit. It [[support]]s [[familia]] and 5-limit [[fortune]]. | 417et is only consistent to the [[5-odd-limit]]. Using the patent val, it tempers out [[589824/588245]], [[43046721/43025920]], [[33554432/33480783]], and [[65625/65536]] in the 7-limit; 78121827/77948684, 20155392/20131375, 10333575/10307264, 1019215872/1019046875, 46656/46585, 1366875/1362944, 78675968/78594219, [[536870912/535869675]], 7168000/7144929, 496125/495616, 514714375/514434888, 2359296/2358125, [[540/539]], 1265625/1261568, 17561600/17537553, 180224/180075, 1375/1372, 645922816/645700815, [[3025/3024]], 9453125/9437184, and 1362944/1361367 in the 11-limit. It [[support]]s [[familia]] and 5-limit [[fortune]]. | ||
=== Prime harmonics === | === Prime harmonics === | ||
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=== Subsets and supersets === | === Subsets and supersets === | ||
417 factors into | 417 factors into {{factorisation|417}}, with [[3edo]] and [[139edo]] as its subset edos. | ||
== Regular temperament properties == | == Regular temperament properties == | ||
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|- | |- | ||
! 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 | ! rowspan="2" | Optimal<br />8ve stretch (¢) | ||
! colspan="2" | Tuning | ! colspan="2" | Tuning error | ||
|- | |- | ||
! [[TE error|Absolute]] (¢) | ! [[TE error|Absolute]] (¢) | ||
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| {{monzo|661 -417}} | | {{monzo|661 -417}} | ||
| {{mapping|417 661}} | | {{mapping|417 661}} | ||
| | | −0.0641 | ||
| 0.0641 | | 0.0641 | ||
| 2.23 | | 2.23 | ||
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| 16875/16807, 65625/65536, 1600000/1594323 | | 16875/16807, 65625/65536, 1600000/1594323 | ||
| {{mapping|417 661 968 1171}} | | {{mapping|417 661 968 1171}} | ||
| | | −0.0418 | ||
| 0.2331 | | 0.2331 | ||
| 8.10 | | 8.10 | ||
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| 540/539, 3025/3024, 496125/495616, 7168000/7144929 | | 540/539, 3025/3024, 496125/495616, 7168000/7144929 | ||
| {{mapping|417 661 968 1171 1443}} | | {{mapping|417 661 968 1171 1443}} | ||
| | | −0.1029 | ||
| 0.2416 | | 0.2416 | ||
| 8.40 | | 8.40 | ||
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|- | |- | ||
! Periods<br />per 8ve | ! Periods<br />per 8ve | ||
! Generator | ! Generator* | ||
! Cents | ! Cents* | ||
! Associated<br /> | ! Associated<br />ratio* | ||
! Temperaments | ! Temperaments | ||
|- | |- | ||
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| [[Tertiosec]] | | [[Tertiosec]] | ||
|} | |} | ||
<nowiki />* [[Normal lists|Octave-reduced form]], reduced to the first half-octave, and [[Normal lists|minimal form]] in parentheses if distinct |