Also Edim7, Gdim7
C#dim7 (C# diminished 7th): C# E G B♭. Formula 1 ♭3 ♭5 ♭♭7. Also Edim7, Gdim7, A#dim7. Minor 3rds stacked all the way: symmetrical and very tense, it works as a passing chord and as a dominant with a ♭9.
Made of4
Notes4
Contains & part of20
Inversions4
- C#dim77
Root position · C# E G B♭
- C#dim7/E6/5
1st inversion · E G B♭ C#
- C#dim7/G4/3
2nd inversion · G B♭ C# E
- C#dim7/B♭4/2
3rd inversion · B♭ C# E G