A# diminished seventh chord on piano
A# diminished seventh is A#, C#, E and G.
- Symbol
- A#dim7
- Formula
- R b3 b5 bb7
- Same keys as
- C#dim7/Bb, Edim7/Bb, Gdim7/Bb
Inversions
C#dim7
First inversion, C# in the bass: C#4 E4 G4 A#4
Edim7
Second inversion, E in the bass: E4 G4 A#4 C#5
Gdim7
Third inversion, G in the bass: G4 A#4 C#5 E5