C sharp minor/major ninth piano chord - C#mM9

The C sharp minor/major ninth chord is a 5-note chord consisting of the notes C#, E, G#, B# and D#.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as C#mM9.

Interactive piano diagram for the C sharp minor/major ninth chord

Piano keyboard displaying the C sharp minor/major ninth chord with the notes FbEC#DbG#AbB#CD#Eb

Reduced chords

Chords that are a subset of C#mM9. These contain less notes but all of them are included in C#mM9.

Scales with C#mM9

Below you find all scales that include C#mM9:

  • melodic minor
  • harmonic minor
  • minor hexatonic
  • lydian diminished
  • hungarian minor
  • minor bebop
  • minor six diminished
  • messiaen's mode #3
  • messiaen's mode #7
  • chromatic

C sharp minor/major ninth 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#mM9 chord. Feel free to save or share the image as needed.

Piano chord chart for the C sharp minor/major ninth chord (C#mM9). The notes C#, E, G#, B# and D# are highlighted.