Chord · 11ths

C♯m7♯5/11 — C♯ Minor 7th ♯5 / 11th

C♯m7♯5/11 is the C♯ minor 7th ♯5 / 11th chord. It is built on the root C♯ with minor 3rd (E), augmented 5th (G𝄪), minor 7th (B) and perfect 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 C♯m7♯5/11.

Root
C♯
Quality
Minor 7th ♯5 / 11th
Formula
1 ♭3 ♯5 ♭7 11
Notes
C♯ E G𝄪 B F♯

On the keyboard

C♯m7♯5/11 on the piano keyboard: C♯ E G𝄪 B F♯C♯EG𝄪BF♯

The notes of C♯m7♯5/11

DegreeNoteInterval from the rootPitch
1C♯rootC♯4
♭3Eminor 3rdE4
♯5G𝄪augmented 5thG♯♯4
♭7Bminor 7thB4
11F♯perfect 11thF♯5

Other 11ths on C♯

Minor 7th ♯5 / 11th chords on every root

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