F11 chord
The F dominant eleventh chord (abbreviated "F11 chord") is a six-note chord consisting of the notes F, A, C, E♭, G, and B♭. The chord is formed by adding an eleventh to a F dominant ninth chord.
In practice, the third (A) and fifth (C) are often omitted from the F11 chord to avoid a very dissonant sound, and because it's not always possible to play all notes simultaneously.
Name
F dominant eleventh chord
Notes
F A C E♭ G B♭
Intervals
1 3 5 ♭7 9 11
Chord symbol
F11
Type
hexad (six-note chord)