Chord · 11ths
C11 — C Dominant 11th
C11 is the C dominant 11th chord. It is built on the root C with major 3rd (E), perfect 5th (G), minor 7th (B♭), major 9th (D) and perfect 11th (F) above it — the formula 1 3 5 ♭7 9 11, sounding the notes C E G B♭ D F. On the piano it sits at C (octave 4) and above in the library's voicing; the same 6 notes in any octave are still C11.
- Root
- C
- Quality
- Dominant 11th
- Formula
- 1 3 5 ♭7 9 11
- Notes
- C E G B♭ D F
On the keyboard
The notes of C11
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | C | root | C4 |
| 3 | E | major 3rd | E4 |
| 5 | G | perfect 5th | G4 |
| ♭7 | B♭ | minor 7th | B♭4 |
| 9 | D | major 9th | D5 |
| 11 | F | perfect 11th | F5 |
Other 11ths on C
Dominant 11th chords on every root
Part of the chord reference. See also the scales and the keys.