C# ninth chords

C#9 chord (also called Dominant 9th chord) for piano presented by keyboard diagrams.
Explanation: The C# ninth is a five note chord. Due to practical circumstances, however, the fifth (G#) is often omitted and/or the chord is played inverted. The chord is often abbreviated as C#9.
Theory: The C# ninth chord is constructed with a root, a major third, a perfect fifth, a minor seventh and a major ninth.

C#9

C#9 chord diagram
Notes: C# - F - G# - B - D#

C9 chord ‹ Previous • Next › D9 chord

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C#9 inverted

C#9 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#5 C#9 C#m9 C#maj9 C#11 C#13 C#add C#7-5 C#7+5 C#sus C#dim C#aug