Hemimage family

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This is a list showing technical temperament data. For an explanation of what information is shown here, you may look at the technical data guide for regular temperaments.

The hemimage family of temperaments are rank-3 temperaments tempering out 10976/10935.

Hemimage

Subgroup: 2.3.5.7

Comma list: 10976/10935

Mapping[1 0 2 -1], 0 1 2 3], 0 0 -3 -1]]

mapping generators: ~2, ~3, ~27/14

Minimax tuning:

[[1 0 0 0, [5/8 1/8 -1/8 3/8, [5/8 -7/8 7/8 3/8, [0 0 0 1]
unchanged-interval (eigenmonzo) basis: 2.5/3.7
[[1 0 0 0, [5/9 2/9 -1/9 1/3, [10/9 -14/9 7/9 2/3, [0 0 0 1]
unchanged-interval (eigenmonzo) basis: 2.7.9/5

Optimal ET sequence17c, 19, 39d, 41, 58, 77, 80, 99, 217, 239, 338, 357, 456, 695

Badness: 0.199 × 10-3

Projection pair: 5 10976/2187 to 2.3.7

Uni

Subgroup: 2.3.5.7.11

Comma list: 540/539, 896/891

Mapping[1 0 2 -1 6], 0 1 2 3 -1], 0 0 -3 -1 -1]]

Minimax tuning:

[[1 0 0 0 0, [16/11 6/11 1/11 0 -3/11, [0 0 1 0 0, [19/11 14/11 6/11 0 -7/11, [32/11 -10/11 2/11 0 5/11]
unchanged-interval (eigenmonzo) basis: 2.5.11/9

Optimal ET sequence17c, 19, 22, 39d, 41, 58, 80, 99e, 121, 179e, 220e, 300bdee, 399bcdeee

Badness: 0.702 × 10-3

13-limit

Subgroup: 2.3.5.7.11.13

Comma list: 352/351, 364/363, 540/539

Mapping: [1 0 2 -1 6 11], 0 1 2 3 -1 -4], 0 0 -3 -1 -1 -1]]

Optimal ET sequence17c, 22, 36f, 39d, 41, 58, 80, 99ef, 121, 179ef, 300bdeef

Badness: 1.06 × 10-3

Tin

Subgroup: 2.3.5.7.11.13

Comma list: 144/143, 196/195, 729/728

Mapping: [1 0 2 -1 6 -2], 0 1 2 3 -1 3], 0 0 -3 -1 -1 1]]

Optimal ET sequence17c, 19, 22f, 36, 39df, 41, 58, 99ef, 157eff

Badness: 1.07 × 10-3

Turan

Subgroup: 2.3.5.7.11

Comma list: 441/440, 10976/10935

Mapping[1 0 2 -1 -7], 0 1 2 3 6], 0 0 -3 -1 1]]

Minimax tuning:

[[1 0 0 0 0, [19/12 -2/3 1/12 0 1/4, [19/6 -10/3 7/6 0 1/2, [37/12 -8/3 7/12 0 3/4, [19/6 -10/3 1/6 0 3/2]
unchanged-interval (eigenmonzo) basis: 2.9/5.11/9

Optimal ET sequence17c, 19, 36, 39d, 41, 58, 99e, 118, 159, 217, 335

Badness: 0.936 × 10-3