C# eleventh chords

C#11 chord for piano presented by keyboard diagrams.
Explanation: The C sharp eleventh is a six note chord. Due to practical circumstances and/or dissonance the third (F) is omitted and/or the chord is played inverted. The chord is often abbreviated as C#11.
Theory: The C# eleventh chord is constructed by adding a third to a ninth chord.

C#11

C#11 chord diagram
Notes: C# - F - G# - B - D# - F#

C11 chord ‹ Previous • Next › D11 chord

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C#11 inverted

C#11 chord diagram
One of many possible inversions

C# chord categories

C# C#m C#7 C#m7 C#maj7 C#6 C#m6 C#6/9 C#9 C#m9 C#maj9 C#11 C#13 C#add C#7-5 C#7+5 C#sus C#dim C#aug