Chord · 11ths

Cmaj7♯11 — C Major 7th ♯11

Cmaj7♯11 is the C major 7th ♯11 chord. It is built on the root C with major 3rd (E), perfect 5th (G), major 7th (B) and augmented 11th (F♯) above it — the formula 1 3 5 7 ♯11, sounding the notes C E G B F♯. On the piano it sits at C (octave 4) and above in the library's voicing; the same 5 notes in any octave are still Cmaj7♯11.

Root
C
Quality
Major 7th ♯11
Formula
1 3 5 7 ♯11
Notes
C E G B F♯

On the keyboard

Cmaj7♯11 on the piano keyboard: C E G B F♯CEGBF♯

The notes of Cmaj7♯11

DegreeNoteInterval from the rootPitch
1CrootC4
3Emajor 3rdE4
5Gperfect 5thG4
7Bmajor 7thB4
♯11F♯augmented 11thF♯5

Other 11ths on C

Major 7th ♯11 chords on every root

Part of the chord reference. See also the scales and the keys.