A# 11th chord

A#11 chord for piano presented by keyboard diagrams.
Explanation: The A sharp eleventh is a six-note chord. To avoid dissonance the third (D) is normally omitted. The chord is also often played inverted. The chord is abbreviated as A#11.
Theory: The A# eleventh chord is constructed by adding a third to a ninth chord.

A#11

A#11 chord diagram
Notes: A# - D - F - G# - C - D# / A# - C## - E# - G# - B# - D#

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A#11 inverted

A#11 chord diagram
One of many possible inversions

A# chord categories

A# A#m A#7 A#m7 A#maj7 A#mM7 A#6 A#m6 A#6/9 A#5 A#9 A#m9 A#maj9 A#11 A#m11 A#13 A#m13 A#add A#7-5 A#7+5 A#sus A#dim A#dim7 A#m7b5 A#aug A#aug7