A sharp half-diminished piano chord - A#m7b5

The A sharp half-diminished chord is a 4-note chord consisting of the notes A#, C#, E and G#.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as A#m7b5.

Interactive piano diagram for the A sharp half-diminished chord

Piano keyboard displaying the A sharp half-diminished chord with the notes A# Bb Fb E C# Db G# Ab

Reduced chords

Chords that are a subset of A#m7b5. These contain less notes but all of them are included in A#m7b5.

A sharp half-diminished piano chord chart image

In case you prefer a non-interactive variant of the chord chart, we've embedded a PNG image below that shows the notes for the the A#m7b5 chord. Feel free to save or share the image as needed.

Piano chord chart for the A sharp half-diminished chord (A#m7b5). The notes A#, C#, E and G# are highlighted.