C sharp major seventh sharp eleventh piano chord - C#maj#4

The C sharp major seventh sharp eleventh chord is a 5-note chord consisting of the notes C#, E#, G#, B# and F##.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as C#maj#4.

Interactive piano diagram for the C sharp major seventh sharp eleventh chord

Piano keyboard displaying the C sharp major seventh sharp eleventh chord with the notes E#FC#DbG#AbB#CG

Extended Chords

Chords that are a superset of C#maj#4. The chords include more notes but always C#, E#, G#, B# and F##.

Reduced chords

Chords that are a subset of C#maj#4. These contain less notes but all of them are included in C#maj#4.

Scales with C#maj#4

Below you find all scales that include C#maj#4:

  • lydian
  • double harmonic lydian
  • lydian #9
  • purvi raga
  • ichikosucho
  • messiaen's mode #3
  • chromatic

C sharp major seventh sharp eleventh 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 C#maj#4 chord. Feel free to save or share the image as needed.

Piano chord chart for the C sharp major seventh sharp eleventh chord (C#maj#4). The notes C#, E#, G#, B# and F## are highlighted.