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C#11 chord

C# dominant 11th · also written Db11

C4
C#
E#
G#
B
C5
D#
F#

Want it in context? Open C#11 on the full piano.

Notes

  • C#
    R
  • E#
    3
  • G#
    5
  • B
    b7
  • D#
    9
  • F#
    11

Formula: R – 3 – 5 – b7 – 9 – 11

C#11 inversions

The same notes, with a different note in the bass.

Root position C#11

C4
C#
E#
G#
B
C5

1st inversion C#11/E#

C4
E#
G#
B
C5
C#

2nd inversion C#11/G#

C4
G#
B
C5
C#
E#

3rd inversion C#11/B

C4
B
C5
C#
E#
G#

FAQ

What notes are in the C#11 chord?

The C# dominant 11th chord (C#11) has 6 notes: C#, E#, G#, B, D# and F#.

How do you play C#11 on the piano?

Put your right hand on C#, E#, G#, B, D# and F#, starting from C#. A common fingering for three-note chords is thumb (1), middle finger (3) and little finger (5).

What is the formula of a dominant 11th chord?

R – 3 – 5 – b7 – 9 – 11 (in semitones from the root: 0, 4, 7, 10, 14, 17).

Is C#11 the same as Db11?

Yes. C# and Db are the same key on the piano (enharmonic), so C#11 and Db11 sound the same.