45:54:64

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Chord information
Harmonics 45:54:64
Subharmonics 1/(192:160:135)
Intervals from root 1/1 – 6/5 – 64/45
Cents from root 0¢ 316¢ 610¢
Step intervals 6/5, 32/27
Step cents 316¢, 294¢
Color name gu gu-5 or g(g5)
Prime limit 5
Genus 33 ⋅ 5 (135)
Intervallic odd limit 45
Otonal odd limit 45
Utonal odd limit 135
Consistent edos (d ≥ 2) 4edo***, 8edo**, 12edo*, 16edo*, …

45:54:64 is a 5-limit diminished triad found on viio (158) in Ptolemy's intense diatonic scale (Zarlino), perhaps the most common 5-limit diatonic. Its 64/45 diminished fifth is formed by a 32/27 Pythagorean minor third on top of a 6/5 Ptolemaic minor third.