Chord · Triads
C♯dim — C♯ Diminished
C♯dim is the C♯ diminished chord. It is built on the root C♯ with minor 3rd (E) and diminished 5th (G) above it — the formula 1 ♭3 ♭5, sounding the notes C♯ E G. On the piano it sits at C# (octave 4) and above in the library's voicing; the same 3 notes in any octave are still C♯dim.
- Root
- C♯
- Quality
- Diminished
- Formula
- 1 ♭3 ♭5
- Notes
- C♯ E G
On the keyboard
Right-hand fingering for this voicing: 1–3–5 (1 is the thumb).
The notes of C♯dim
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | C♯ | root | C♯4 |
| ♭3 | E | minor 3rd | E4 |
| ♭5 | G | diminished 5th | G4 |
Other triads on C♯
Diminished chords on every root
Part of the chord reference. See also the scales and the keys.