Tone Clock · Set classes · 5 notes
Two shapes, each the other’s mirror
Interval content
| ic1 | ic2 | ic3 | ic4 | ic5 | ic6 |
|---|---|---|---|---|---|
| 2 | 2 | 2 | 1 | 2 | 1 |
Every set in the class holds two semitones, two whole tones, two minor thirds, one major third, two fourths and one tritone.
Common tones
| T0 | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 | T9 | T10 | T11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 1 | 2 | 2 | 2 |
Notes a set keeps when transposed by n.
| T0I | T1I | T2I | T3I | T4I | T5I | T6I | T7I | T8I | T9I | T10I | T11I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 4 | 2 | 3 | 2 | 2 | 2 | 3 | 2 | 0 | 2 |
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.
01247
- 01247C C# D E G
- 12358C# D D# F G#
- 23469D D# E F# A
- 3457tD# E F G Bb
- 4568eE F F# G# B
- 05679F F# G A C
- 1678tF# G G# Bb C#
- 2789eG G# A B D
- 0389tG# A Bb C D#
- 149teA Bb B C# E
- 025teBb B C D F
- 0136eB C C# D# F#
03567
Relations
- Complement
- 7-Z36 0123568
- Z-partner
- 5-Z12, the same interval vector in another class
- Symmetry
- none: only T0 maps it onto itself
- Inside it
2 notes: 2-1 ×2 · 2-2 ×2 · 2-3 ×2 · 2-4 · 2-5 ×2 · 2-6
3 notes: 3-1 · 3-2 · 3-3 · 3-5 ×2 · 3-6 · 3-7 · 3-9 · 3-10 · 3-11
- Around it
- 6-Z11 · 6-Z12 · 6-Z17 · 6-Z36 · 6-Z40 · 6-Z45 · 6-Z47 · and 60 larger classes