Dim & aug familyvii°7 in A♭ harmonic minor
G diminished seventh chord
Gdim7G diminished seventh
Piano root position
- Root
- ♭3
- ♭5
- 𝄫7
Guitar standard tuning
Barre · fret 2
Lay your index flat across strings 4 to 2 at fret 2.
Finger: 1 index, 2 middle, 3 ring, 4 little
Notation treble clef
Intervals
12 semitones- G1
- ♭2
- 2
- B♭♭3
- 3
- 4
- D♭♭5
- 5
- ♯5
- F♭𝄫7
- ♭7
- 7
- G Root
- B♭ Minor 3rd
- D♭ Diminished 5th
- F♭ Diminished 7th
About this chord
What is a G diminished seventh chord?
Gdim7 is built from 4 notes: G (the root), B♭ (the ♭3), D♭ (the ♭5), F♭ (the 𝄫7). Symmetrical stacked minor thirds: dramatic, silent-film suspense.
- Notes
- G · B♭ · D♭ · F♭
- Formula
- 1 · ♭3 · ♭5 · 𝄫7
- Also written
- G°7 · Go7
- Found in
- vii°7 in A♭ harmonic minor
Neighbours
Chords close to Gdim7
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