17th-octave temperaments
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17edo is a "wheel" for some fractional-octave temperaments. The most notable relationship is the tempering out of septendecima, the amount by which seventeen 25/24 chromatic semitones exceed an octave.
Temperaments discussed elsewhere include:
- Chlorine, - Ragismic microtemperaments#Chlorine
Gothic
The gothic temperament is associated with the 17-comma.
Subgroup: 2.3.5
Comma list: 134217728/129140163
Mapping: [⟨17 27 0], ⟨0 0 1]]
- mapping generators: ~256/243, ~5
- CTE: ~256/243 = 1\17, ~5/4 = 386.3137 (~20480/19683 = 33.3725)
- CWE: ~256/243 = 1\17, ~5/4 = 388.2316 (~20480/19683 = 35.2904)
Optimal ET sequence: 17c, 34, 323bbcc, 357bbcc, 391bbcc
Badness: 0.541
Leaves
Defined as the 323 & 2023 temperament. 2 generators reach 17/13, 7 generators reach 5/4, 10 generators produce 13/11.
Subgroup: 2.3.5.7.11.13
Comma list: 160083/160000, 928125/927472, 1990656/1990625, 20726199/20706224
Mapping: [⟨17 10 31 9 106 98], ⟨0 14 7 32 -39 -29]]
Mapping generators: ~25/24, ~1024/975
Optimal tuning (CTE): ~1024/975 = 85.421
17-limit
Subgroup: 2.3.5.7.11.13.17
Comma list: 57375/57344, 111537/111475, 140800/140777, 111537/111475, 1026675/1026256
Mapping: [⟨17 10 31 9 106 98 107], ⟨0 14 7 32 -39 -29 -31]]
Mapping generators: ~25/24, ~765/728
Optimal tuning (CTE): ~765/728 = 85.421