Tone Clock · Set classes · 2 notes
One shape, its own mirror
Interval content
| ic1 | ic2 | ic3 | ic4 | ic5 | ic6 |
|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 1 | 0 |
Every set in the class holds no semitones, no whole tones, no minor thirds, no major thirds, one fourth and no tritones.
Common tones
| T0 | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 | T9 | T10 | T11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
Notes a set keeps when transposed by n.
| T0I | T1I | T2I | T3I | T4I | T5I | T6I | T7I | T8I | T9I | T10I | T11I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 |
Notes a set keeps when inverted about n.
Its 12 sets
Set theory treats D# and Eb as one pitch class; the names under each set use one fixed spelling, sharps except Bb.
05
Relations
- Complement
- 10-5 012345789t
- Z-partner
- none: no other class has this interval vector
- Symmetry
- T0 and one inversion map it onto itself
- Inside it
- no smaller class of two notes or more
- Around it
- 3-4 ×2 · 3-5 ×2 · 3-7 ×2 · 3-9 ×2 · 3-11 ×2 · and 192 larger classes