Tone Clock · Set classes · 5 notes
Two shapes, each the other’s mirror
Interval content
| ic1 | ic2 | ic3 | ic4 | ic5 | ic6 |
|---|---|---|---|---|---|
| 3 | 1 | 1 | 2 | 2 | 1 |
Every set in the class holds three semitones, one whole tone, one minor third, two major thirds, two fourths and one tritone.
Common tones
| T0 | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 | T9 | T10 | T11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 3 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 3 |
Notes a set keeps when transposed by n.
| T0I | T1I | T2I | T3I | T4I | T5I | T6I | T7I | T8I | T9I | T10I | T11I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2 | 3 | 2 | 1 | 2 | 4 | 4 | 2 | 0 | 1 | 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.
01256
- 01256C C# D F F#
- 12367C# D D# F# G
- 23478D D# E G G#
- 34589D# E F G# A
- 4569tE F F# A Bb
- 567teF F# G Bb B
- 0678eF# G G# B C
- 01789G G# A C C#
- 1289tG# A Bb C# D
- 239teA Bb B D D#
- 034teBb B C D# E
- 0145eB C C# E F
01456
Relations
- Complement
- 7-6 0123478
- Z-partner
- none: no other class has this interval vector
- Symmetry
- none: only T0 maps it onto itself
- Inside it
2 notes: 2-1 ×3 · 2-2 · 2-3 · 2-4 ×2 · 2-5 ×2 · 2-6
- Around it
- 6-Z3 · 6-Z4 · 6-5 · 6-Z6 · 6-16 · 6-Z43 · 6-Z44 · and 57 larger classes