C major sharp eleventh (lydian) piano chord - Cmaj9#11

The C major sharp eleventh (lydian) chord is a 6-note chord consisting of the notes C, E, G, B, D and F#.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as Cmaj9#11.

Interactive piano diagram for the C major sharp eleventh (lydian) chord

Piano keyboard displaying the C major sharp eleventh (lydian) chord with the notes B# C Fb E G Cb B D F# Gb

Reduced chords

Chords that are a subset of Cmaj9#11. These contain less notes but all of them are included in Cmaj9#11.

C major sharp eleventh (lydian) 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 Cmaj9#11 chord. Feel free to save or share the image as needed.

Piano chord chart for the C major sharp eleventh (lydian) chord (Cmaj9#11). The notes C, E, G, B, D and F# are highlighted.