Tone Clock · Set classes · 8 notes

8-26

prime form 0134578t · vector 456562 · 12 sets

Packed to the left, as Forte packs it: 0124579t. Tone Clock uses Rahn’s packing.

Open 0134578t in the workspace

One shape, its own mirror

0134578t

steps 1 2 1 1 2 1 2 2

range 10 · 12 transpositions · 8 modes

Open 0134578t

Interval content

Interval-class vector
ic1ic2ic3ic4ic5ic6
456562

Every set in the class holds four semitones, five whole tones, six minor thirds, five major thirds, six fourths and two tritones.

Common tones

Common tones under Tn
T0T1T2T3T4T5T6T7T8T9T10T11
845656465654

Notes a set keeps when transposed by n.

Common tones under TnI
T0IT1IT2IT3IT4IT5IT6IT7IT8IT9IT10IT11I
564656548456

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.

0134578t

Relations

Complement
4-26 0358 · minor seventh chord
Z-partner
none: no other class has this interval vector
Symmetry
T0 and one inversion map it onto itself
Inside it

2 notes: 2-1 ×4 · 2-2 ×5 · 2-3 ×6 · 2-4 ×5 · 2-5 ×6 · 2-6 ×2

3 notes: 3-1 · 3-2 ×6 · 3-3 ×6 · 3-4 ×6 · 3-5 ×4 · 3-6 ×3 · 3-7 ×8 · 3-8 ×4 · 3-9 ×5 · 3-10 ×4 · 3-11 ×8 · 3-12

4 notes: 4-2 ×2 · 4-3 ×2 · 4-4 ×2 · 4-6 · 4-7 ×2 · 4-8 · 4-10 ×2 · 4-11 ×4 · 4-12 ×4 · 4-13 ×4 · 4-14 ×6 · 4-Z15 ×2 · 4-16 ×4 · 4-17 ×2 · 4-18 ×4 · 4-19 ×4 · 4-20 ×2 · 4-21 · 4-22 ×6 · 4-23 ×4 · 4-24 · 4-26 ×3 · 4-27 ×4 · 4-28 · 4-Z29 ×2

5 notes: 5-3 ×2 · 5-8 · 5-10 ×2 · 5-11 ×2 · 5-Z12 · 5-14 ×2 · 5-16 ×2 · 5-Z17 ×2 · 5-Z18 ×4 · 5-20 ×2 · 5-21 ×2 · 5-22 · 5-23 ×4 · 5-24 ×2 · 5-25 ×2 · 5-26 ×2 · 5-27 ×4 · 5-29 ×4 · 5-30 ×2 · 5-31 ×4 · 5-32 ×2 · 5-34 · 5-35 ×3 · 5-Z36 ×2 · 5-Z37

6 notes: 6-Z10 ×2 · 6-Z11 ×2 · 6-14 ×2 · 6-Z19 ×2 · 6-Z24 ×2 · 6-Z25 ×2 · 6-Z26 · 6-27 ×2 · 6-Z28 · 6-Z29 ×2 · 6-31 ×2 · 6-32 ×2 · 6-33 ×2 · 6-Z45 · 6-Z47 ×2 · 6-Z48

7 notes: 7-25 ×2 · 7-27 ×2 · 7-32 ×2 · 7-35 · 7-Z37

Around it
9-7 ×2 · 9-11 ×2 · and 6 larger classes