Chord · Triads

G♯dim — G♯ Diminished

G♯dim is the G♯ diminished chord. It is built on the root G♯ with minor 3rd (B) and diminished 5th (D) above it — the formula 1 ♭3 ♭5, sounding the notes G♯ B D. On the piano it sits at G# (octave 4) and above in the library's voicing; the same 3 notes in any octave are still G♯dim.

Root
G♯
Quality
Diminished
Formula
1 ♭3 ♭5
Notes
G♯ B D

On the keyboard

G♯dim on the piano keyboard: G♯ B D135G♯BD

Right-hand fingering for this voicing: 1–3–5 (1 is the thumb).

The notes of G♯dim

DegreeNoteInterval from the rootPitch
1G♯rootG♯4
♭3Bminor 3rdB4
♭5Ddiminished 5thD5

Other triads on G♯

Diminished chords on every root

Part of the chord reference. See also the scales and the keys.