G♯13 (dominant thirteenth) / A♭13 (dominant thirteenth)

7-note dominant 13th on G♯ / A♭G♯, A♯, C, C♯, D♯, F, F♯.

Press to hear the chord strummed low to high.

The tallest common dominant — up to the thirteenth. Always voiced selectively; the guide tones (third and flat seventh) plus the thirteenth carry it.

The notes

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

Interval formula

DegreeNoteWhat it is
1G♯root
9A♯ninth
3Cmajor third
11C♯eleventh (perfect fourth)
5D♯perfect fifth
13Fthirteenth
♭7F♯flat seventh (dominant)

The formula reads in semitones above the root (G♯): 1, 9, 3, 11, 5, 13, ♭7. A voicing may leave a tone out — often the fifth — but never adds one from outside this set.

Guitar fingerings · 4

432
open position
4fr131241
from fret 4
4fr111234
from fret 4
10fr21344
from fret 10

Ukulele fingerings · 4

2fr2413
from fret 2
5fr1234
from fret 5
8fr3412
from fret 8
8fr4311
from fret 8

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

13 (dominant thirteenth) chords on every root