G#dim7 chord on guitar

The G# diminished 7th chord, written G#dim7, has 4 notes: G# B D E#. The root G# is also written Ab, so Abdim7 is the same chord.

G#dim7○○4312
420101
G#dim74123141
456464

As tab, thick low E string first: 420101, 456464. Numbers in the dots are fingers: 1 index, 2 middle, 3 ring, 4 little, T thumb. × marks a muted string and ○ an open one.

NotesG# B D E#
Formula1 b3 b5 6
IntervalsRoot, Minor 3rd, Tritone, Major 6th

About the Diminished 7th Chord

A diminished 7th chord stacks three minor thirds, a symmetric, tense chord that can resolve in four directions. More about the Diminished 7th Chord.

Diminished 7th Chord in other keys