The G diminished chord (abbreviated "Gdim chord") is a triad consisting of the notes G, B, and D. The chord is formed by lowering the fifth of a G minor chord a half step.

Name
G diminished chord
Synonym
G diminished triad
Notes
G B D
Intervals
1 3 5
Chord symbol
Go
Alternative symbols
Gdim Gm(b5) Gmb5
Type
triad (three-note chord)

Gdim chord on piano

Gdim chord on guitar

Gdim chord on ukulele

Gdim chord on the staff