Tone Clock · Set classes · 5 notes
Two shapes, each the other’s mirror
Interval content
| ic1 | ic2 | ic3 | ic4 | ic5 | ic6 |
|---|---|---|---|---|---|
| 2 | 2 | 1 | 1 | 3 | 1 |
Every set in the class holds two semitones, two whole tones, one minor third, one major third, three fourths and one tritone.
Common tones
| T0 | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 | T9 | T10 | T11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 2 | 2 | 1 | 1 | 3 | 2 | 3 | 1 | 1 | 2 | 2 |
Notes a set keeps when transposed by n.
| T0I | T1I | T2I | T3I | T4I | T5I | T6I | T7I | T8I | T9I | T10I | T11I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2 | 4 | 2 | 1 | 2 | 2 | 4 | 2 | 2 | 1 | 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.
01257
- 01257C C# D F G
- 12368C# D D# F# G#
- 23479D D# E G A
- 3458tD# E F G# Bb
- 4569eE F F# A B
- 0567tF F# G Bb C
- 1678eF# G G# B C#
- 02789G G# A C D
- 1389tG# A Bb C# D#
- 249teA Bb B D E
- 035teBb B C D# F
- 0146eB C C# E F#
02567
Relations
- Complement
- 7-14 0123578
- Z-partner
- none: no other class has this interval vector
- Symmetry
- none: only T0 maps it onto itself
- Inside it
2 notes: 2-1 ×2 · 2-2 ×2 · 2-3 · 2-4 · 2-5 ×3 · 2-6
- Around it
- 6-Z6 · 6-9 · 6-Z11 · 6-18 · 6-Z41 · 6-Z47 · 6-Z48 · and 55 larger classes