Tone Clock · Set classes · 5 notes
Two shapes, each the other’s mirror
Interval content
| ic1 | ic2 | ic3 | ic4 | ic5 | ic6 |
|---|---|---|---|---|---|
| 3 | 2 | 1 | 1 | 2 | 1 |
Every set in the class holds three semitones, two whole tones, one minor third, one major third, two fourths and one tritone.
Common tones
| T0 | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 | T9 | T10 | T11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 3 | 2 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 2 | 3 |
Notes a set keeps when transposed by n.
| T0I | T1I | T2I | T3I | T4I | T5I | T6I | T7I | T8I | T9I | T10I | T11I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 4 | 4 | 3 | 2 | 1 | 2 | 2 | 2 | 2 | 0 |
Notes a set keeps when inverted about n.
Its 24 sets
Set theory treats D# and Eb as one pitch class; the names under each set use one fixed spelling, sharps except Bb.
01237
- 01237C C# D D# G
- 12348C# D D# E G#
- 23459D D# E F A
- 3456tD# E F F# Bb
- 4567eE F F# G B
- 05678F F# G G# C
- 16789F# G G# A C#
- 2789tG G# A Bb D
- 389teG# A Bb B D#
- 049teA Bb B C E
- 015teBb B C C# F
- 0126eB C C# D F#
04567
Relations
- Complement
- 7-5 0123567
- Z-partner
- none: no other class has this interval vector
- Symmetry
- none: only T0 maps it onto itself
- Inside it
2 notes: 2-1 ×3 · 2-2 ×2 · 2-3 · 2-4 · 2-5 ×2 · 2-6
- Around it
- 6-5 · 6-9 · 6-Z36 · 6-Z37 · 6-Z38 · 6-Z40 · 6-Z41 · and 55 larger classes