G♯7♯5 (augmented seventh) / A♭7♯5 (augmented seventh)

4-note augmented 7th on G♯ / A♭G♯, C, E, F♯.

Press to hear the chord strummed low to high.

A dominant seventh built on an augmented triad — the raised fifth makes it strain even harder to resolve.

The notes

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

Interval formula

DegreeNoteWhat it is
1G♯root
3Cmajor third
♯5Esharp fifth (augmented)
♭7F♯flat seventh (dominant)

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

4fr1234
from fret 4
6fr1423
from fret 6
9fr3241
from fret 9
11fr14132
from fret 11

Ukulele fingerings · 4

1423
open position
4fr2314
from fret 4
8fr2113
from fret 8
11fr1221
from fret 11

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

7♯5 (augmented seventh) chords on every root