Root on A string
no fifthx-9-8-9-10-x
F♯7♯9 is the F♯ dominant 7 sharp 9 chord. Its notes are F♯, A♯, C♯, E and G♯♯. It is the same chord as G♭7♯9. A familiar blues-rock altered dominant. The fifth is omitted.
x-9-8-9-10-x
Numbers show frets from the low E string to the high e string; x means don't play that string.
Every F♯, A♯, C♯, E and G♯♯ on the first 12 frets. The filled dots are the root, F♯. Build your own shape from any nearby group.
Other F♯ chords
Other dominant 7 sharp 9 chords