C#dim7 chord on Piano, Guitar, and Ukulele

The C-sharp diminished seventh chord (abbreviated "C#dim7 chord") is a four-note chord consisting of the notes C♯, E, G, and B♭. The chord is formed by adding a diminished seventh to a C-sharp diminished chord.

Name

C-sharp diminished seventh chord

Synonym

C-sharp fully diminished chord

Notes

C♯ E G B♭

Intervals

1 ♭3 ♭5 ♭♭7

Chord symbol

C♯^o7

Alternative symbols

C♯^dim7 C♯^dim C♯^o

Type

tetrad (four-note chord)

C#dim7 chord

C#dim7 chord on piano

C#dim7 chord on guitar

C#dim7 chord on ukulele

C#dim7 chord on the staff