Tone Clock · Set classes · 6 notes
Two shapes, each the other’s mirror
Interval content
| ic1 | ic2 | ic3 | ic4 | ic5 | ic6 |
|---|---|---|---|---|---|
| 2 | 3 | 3 | 3 | 3 | 1 |
Every set in the class holds two semitones, three whole tones, three minor thirds, three major thirds, three fourths and one tritone.
Common tones
| T0 | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 | T9 | T10 | T11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 2 | 3 | 3 | 3 | 3 | 2 | 3 | 3 | 3 | 3 | 2 |
Notes a set keeps when transposed by n.
| T0I | T1I | T2I | T3I | T4I | T5I | T6I | T7I | T8I | T9I | T10I | T11I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 4 | 3 | 4 | 3 | 2 | 5 | 2 | 3 | 2 | 4 | 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.
012469
- 012469C C# D E F# A
- 12357tC# D D# F G Bb
- 23468eD D# E F# G# B
- 034579D# E F G A C
- 14568tE F F# G# Bb C#
- 25679eF F# G A B D
- 03678tF# G G# Bb C D#
- 14789eG G# A B C# E
- 02589tG# A Bb C D F
- 1369teA Bb B C# D# F#
- 0247teBb B C D E G
- 01358eB C C# D# F G#
024569
Relations
- Complement
- 6-Z24 013468
- Z-partner
- 6-Z24, the same interval vector in another class
- Symmetry
- none: only T0 maps it onto itself
- Inside it
2 notes: 2-1 ×2 · 2-2 ×3 · 2-3 ×3 · 2-4 ×3 · 2-5 ×3 · 2-6
3 notes: 3-1 · 3-2 · 3-3 ×2 · 3-4 ×2 · 3-5 · 3-6 ×2 · 3-7 ×3 · 3-8 ×2 · 3-9 · 3-10 · 3-11 ×4
4 notes: 4-2 · 4-4 · 4-5 · 4-11 · 4-14 · 4-Z15 · 4-17 · 4-18 · 4-20 · 4-21 · 4-22 ×2 · 4-26 · 4-27 ×2
- Around it
- 7-10 · 7-Z17 · 7-23 · 7-26 · 7-29 · 7-30 · and 32 larger classes