66th-octave temperaments: Difference between revisions

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== Dysprosium (add-19) ==
== Dysprosium (add-19) ==
{{Todo|inline=1|complete section|complete temperament data|comment= Add the intermediate subgroups. Add the optimal ET sequence and badness. }}
Dysprosium is named after the 66th chemical element and can be described as the 198 & 1848 temperamet. Conceptualized as an add-19 subgroup temperament to accomodate for the subgroup of 96/95. [[1848edo]] is an exceptional tuning.
Dysprosium is named after the 66th chemical element and can be described as the 198 & 1848 temperamet. Conceptualized as an add-19 subgroup temperament to accomodate for the subgroup of 96/95. [[1848edo]] is an exceptional tuning.



Latest revision as of 08:09, 14 November 2026

66edo might not be immediately recognizable for fractional-octave potential, but its step is in direct proximity to 96/95, a comma used in Ben Johnston's notation to distinguish 19-limit intervals from simpler ones.

Dysprosium (add-19)

Todo: complete section, complete temperament data

Add the intermediate subgroups. Add the optimal ET sequence and badness.

Dysprosium is named after the 66th chemical element and can be described as the 198 & 1848 temperamet. Conceptualized as an add-19 subgroup temperament to accomodate for the subgroup of 96/95. 1848edo is an exceptional tuning.

Subgroup: 2.3.5.7.11.19

Comma list: 9801/9800, 10241/10240, 250047/250000, 2955004695936/2954085800435

Subgroup-val mapping: [⟨66 3 11 104 208 321], ⟨0 5 7 4 1 -2]]

mapping generators: ~96/95 = 1\66, ~9625/7776 = 369.478

Optimal tuning (CTE): ~9625/7776 = 369.478

Supporting ETs: 198, 1650, 1848, ...

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