F major 13th chord
Fmaj13 chord for piano with keyboard diagram.
Explanation: The F major thirteenth is a six-note chord (the 11th, Bb in the case of Fmaj13, is normally excluded). For practical reasons the chord is normally played with omitted notes and/or inverted. It is often abbreviated as Fmaj13 (not to be confused with F13).
Theory: The F major thirteenth chord is constructed by extending the major eleventh chord with a major thirteenth note.
Notes: F - A - C - E - G - D