Tone Clock · Set classes · 5 notes
Two shapes, each the other’s mirror
Interval content
| ic1 | ic2 | ic3 | ic4 | ic5 | ic6 |
|---|---|---|---|---|---|
| 2 | 2 | 3 | 1 | 1 | 1 |
Every set in the class holds two semitones, two whole tones, three minor thirds, one major third, one fourth and one tritone.
Common tones
| T0 | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 | T9 | T10 | T11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 2 | 2 | 3 | 1 | 1 | 2 | 1 | 1 | 3 | 2 | 2 |
Notes a set keeps when transposed by n.
| T0I | T1I | T2I | T3I | T4I | T5I | T6I | T7I | T8I | T9I | T10I | T11I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2 | 1 | 2 | 4 | 2 | 3 | 4 | 1 | 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.
01346
- 01346C C# D# E F#
- 12457C# D E F G
- 23568D D# F F# G#
- 34679D# E F# G A
- 4578tE F G G# Bb
- 5689eF F# G# A B
- 0679tF# G A Bb C
- 178teG G# Bb B C#
- 0289eG# A B C D
- 0139tA Bb C C# D#
- 124teBb B C# D E
- 0235eB C D D# F
02356
Relations
- Complement
- 7-10 0123469
- 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 ×3 · 2-4 · 2-5 · 2-6
- Around it
- 6-2 · 6-Z3 · 6-Z11 · 6-Z13 · 6-Z23 · 6-Z24 · 6-27 · and 56 larger classes