G♯m(maj7)♭5 / A♭m(maj7)♭5

4-note minor-major 7th flat 5 on G♯ / A♭G♯, B, D, G.

Press to hear the chord strummed low to high.

A diminished triad carrying a major seventh — rare and severe, the darkest corner of the minor-major family.

The notes

Pitches taken from the first fingering below — click any note to open its frequency page.

Interval formula

DegreeNoteWhat it is
1G♯root
♭3Bminor third
♭5Dflat fifth (diminished)
7Gmajor seventh

The formula reads in semitones above the root (G♯): 1, ♭3, ♭5, 7. A voicing may leave a tone out — often the fifth — but never adds one from outside this set.

Guitar fingerings · 4

4fr12311
from fret 4
6fr1243
from fret 6
10fr12333
from fret 10
11fr1234
from fret 11

Ukulele fingerings · 4

1243
open position
4fr1412
from fret 4
7fr1214
from fret 7
10fr4213
from fret 10

Read a diagram top-down: the thick bar is the nut, dots are where to press (the number is which finger), means play the open string, means don't play it. A bar across strings is a barre.

Other G♯ / A♭ chords

m(maj7)♭5 chords on every root