The Flashmob
The Flashmob is a collection of temperaments of different ranks that all temper out 12376/12375, the flashma, a 17-limit comma associated with precise systems that model high-limit JI.
Rank-2
Temperaments discussed elsewhere include noletaland, minutes, hafnium, and mercury.
Iridium
Iridium is named after 77th element, being period-77.
Subgroup: 2.3.5.7.11.13.17
Comma list: 12376/12375, 63792/67375, 194481/194480, 396833125/396829664, 112435984089/112394240000
Mapping: [⟨77 1 203 313 339 527 460], ⟨0 5 -1 -4 -3 -10 -6]]
- mapping generators: ~429/425 = 1\77, 975/784 = 377.269