No 15 F Whole Tone (Messiaen M1)
Allan’s symbol: Co
Notes: F - G - A - B - Db - Eb
Intervals: 1 - 2 - 3 - b5 - b6 - b7
Modes
A mode is this same set of notes heard from a different starting note. Pick one to see it on the circle.
This scale has very limited transposition symmetry: every rotation produces an identical pitch-class set to the scale itself, so it has no distinct modes to list.
This scale holds many more chords than these, with extensions, inversions and every voicing on the neck. Find them all in Fretly