Tone Clock · Set classes · 5 notes
Two shapes, each the other’s mirror
Interval content
| ic1 | ic2 | ic3 | ic4 | ic5 | ic6 |
|---|---|---|---|---|---|
| 2 | 1 | 2 | 1 | 2 | 2 |
Every set in the class holds two semitones, one whole tone, two minor thirds, one major third, two fourths and two tritones.
Common tones
| T0 | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 | T9 | T10 | T11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 2 | 1 | 2 | 1 | 2 | 4 | 2 | 1 | 2 | 1 | 2 |
Notes a set keeps when transposed by n.
| T0I | T1I | T2I | T3I | T4I | T5I | T6I | T7I | T8I | T9I | T10I | T11I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 4 | 2 | 2 | 2 | 0 | 3 | 4 | 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.
01367
- 01367C C# D# F# G
- 12478C# D E G G#
- 23589D D# F G# A
- 3469tD# E F# A Bb
- 457teE F G Bb B
- 0568eF F# G# B C
- 01679F# G A C C#
- 1278tG G# Bb C# D
- 2389eG# A B D D#
- 0349tA Bb C D# E
- 145teBb B C# E F
- 0256eB C D F F#
01467
Relations
- Complement
- 7-19 0123679
- 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 · 2-3 ×2 · 2-4 · 2-5 ×2 · 2-6 ×2
- Around it
- 6-5 · 6-Z12 · 6-Z13 · 6-Z17 · 6-18 · 6-30 · 6-Z50 · and 50 larger classes