piano chord
Cm(maj7)
C1E♭♭3G5B7
Minor triad, major seventh — the tonic chord of harmonic minor.
What is true of it
Cm(maj7) is C, E♭, G and B — 1, b3, 5 and 7 counted from C.
On an instrument that cannot reach all 4, the 5 goes first, in that order.
C in other shapes
C♯m(maj7)D♭m(maj7)Dm(maj7)D♯m(maj7)E♭m(maj7)Em(maj7)Fm(maj7)F♯m(maj7)all 374