69th-octave temperaments: Difference between revisions
Jump to navigation
Jump to search
m navbox |
ArrowHead294 (talk | contribs) mNo edit summary |
||
| Line 1: | Line 1: | ||
{{ | {{Infobox fractional-octave|69}} | ||
== Ptolemi-nicemic (rank-4) == | == Ptolemi-nicemic (rank-4) == | ||
Latest revision as of 03:57, 14 February 2025
Ptolemi-nicemic (rank-4)
A highly precise temperament derived from the proximity of 100/99 to the step of 1\69.
Subgroup: 2.3.5.7.11
Comma list: [137 -138 138 0 -69⟩
Mapping: [⟨69 0 0 0 137], ⟨0 1 0 0 -2], ⟨0 0 1 0 2], ⟨0 0 0 1 0]]
- mapping generators: ~100/99 = 1\69, ~3, ~5, ~7
Supporting ETs: 69, 414, 552, 897, 966, 1311, 1380, 3243, 7797, 8763, 11040, 12006, 20769, 31395