C maj7(#11)

The C maj7(#11) chord consists of the C (Perfect unison), E (Major third), G (Perfect fifth), B (Major seventh) and F# (Augmented eleventh) notes.

Piano keyboard showing the notes for a C maj7(#11) chord

How to play the C maj7(#11) chord

  1. Find C (Root) on the piano keyboard
  2. Add E (Major third) — 4 semitones above C
  3. Add G (Perfect fifth) — 7 semitones above C
  4. Add B (Major seventh) — 11 semitones above C
  5. Add F# (Augmented eleventh) — 18 semitones above C
  6. Press all 5 notes simultaneously to sound the C maj7(#11) chord

Related slash chords