Theory
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OverviewSymmetryAsymmetrySet TheoryFormula LabUnified Model

3-1

Chromatic trichord / Phrygian trichord

Cardinality
3

Prime Form

Prime form pitch class clockC0C#1D2D#EFF#GG#AA#B[0,1,2]3 pitch classes
T0

Interval Vector

<2,1,0,0,0,0> (sum: 3)
2
ic1
1
ic2
0
ic3
0
ic4
0
ic5
0
ic6
ic1: m2/M7
ic2: M2/m7
ic3: m3/M6
ic4: M3/m6
ic5: P4/P5
ic6: TT
Prime Form
[0,1,2]
Interval Vector
<2,1,0,0,0,0>
T-Symmetry
1
I-Symmetry
1 (inversionally symmetric)
Invariant at I: 2

Step Pattern

1-1-10
Intervals: H-H-10

Complement

9-1card 9
[0,1,2,3,4,5,6,7,8]
Chromatic nonachord

All Transpositions

LevelPitch ClassesNote Names
T0[0,1,2]C C# D
T1[1,2,3]C# D D#
T2[2,3,4]D D# E
T3[3,4,5]D# E F
T4[4,5,6]E F F#
T5[5,6,7]F F# G
T6[6,7,8]F# G G#
T7[7,8,9]G G# A
T8[8,9,10]G# A A#
T9[9,10,11]A A# B
T10[0,10,11]C A# B
T11[0,1,11]C C# B
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