Root on A string
no fifthx4354x
C♯maj9 is the C♯ major 9 chord. Its notes are C♯, E♯, G♯, B♯ and D♯. It is the same chord as D♭maj9. A major seventh plus a ninth. The compact grip omits the fifth.
x4354x
Numbers show frets from the low E string to the high e string; x means don't play that string.
Every C♯, E♯, G♯, B♯ and D♯ on the first 12 frets. The filled dots are the root, C♯. Build your own shape from any nearby group.
Other C♯ chords
Other major 9 chords