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'''3136/3125''', the '''hemimean comma''', is a [[7-limit]] [[comma]] measuring about 6.1 cents. It is the difference between [[126/125]] (septimal semicomma), and [[225/224]] (septimal kleisma). | '''3136/3125''', the '''hemimean comma''', is a [[7-limit]] [[comma]] measuring about 6.1 cents. It is the difference between [[126/125]] (septimal semicomma), and [[225/224]] (septimal kleisma). | ||
Tempering it out leads to the rank-3 [[Hemimean family|hemimean temperament]], which splits the [[81/80|syntonic comma]] into two equal parts, each representing 126/125~225/224. It also splits [[5/4]] (classic major third) into two equal parts, each representing [[28/25]]. Typical edos tempering it out include {{EDOs|68, 80, 87, 99, 111, 118 and 130}}, all tune both 126/125 and 225/224 to a single step. | Tempering it out leads to the rank-3 [[Hemimean family|hemimean temperament]], which splits the [[81/80|syntonic comma]] into two equal parts, each representing 126/125~225/224. It also splits [[5/4]] (classic major third) into two equal parts, each representing [[28/25]]. In the 2.5.7 subgroup, tempering out the comma leads to the rank-2 2.5.7 subgroup temperament [[hemithirds]] with a gennerator of [[28/25]]. Typical edos tempering it out include {{EDOs|68, 80, 87, 99, 111, 118 and 130}}, all tune both 126/125 and 225/224 to a single step. | ||
== See also == | == See also == | ||