F# Minor 9b5, 1st inversion (A in the bass)
Also written as F#m9b5/A.
Notes, from the bass up
A (bass)CEG#F#
The same notes as F# Minor 9b5 (A, C, E, G# and F#), rearranged so A is the lowest note. Use it to move between chords with smaller jumps across the keyboard.