Also Em6
C#m7♭5 (C# half-diminished): C# E G B. Formula 1 ♭3 ♭5 ♭7. Also Em6. A diminished triad with a minor 7th: the ii chord of minor keys (iiø7–V7–i) and the vii chord of major ones.
Made of4
Contains & part of20
Inversions4
- C#m7♭57
Root position · C# E G B
- C#m7♭5/E6/5
1st inversion · E G B C#
- C#m7♭5/G4/3
2nd inversion · G B C# E
- C#m7♭5/B4/2
3rd inversion · B C# E G