F 11th chord

F11 chord for piano presented by keyboard diagrams.
Explanation: The F eleventh is a six-note chord. To avoid dissonance the third (A) is normally omitted. The chord is also often played inverted. The chord is abbreviated as F11.
Omissions: F11(no3): F - C - Eb - G - Bb; F11(no9): F - A - C - Eb - Bb.
Theory: The F eleventh chord is constructed by adding a third to a ninth chord.