G# Minor 9b5, 3rd inversion (F# in the bass)
Also written as G#m9b5/F#.
Notes, from the bass up
F# (bass)A#G#BD
The same notes as G# Minor 9b5 (F#, A#, G#, B and D), rearranged so F# is the lowest note. Use it to move between chords with smaller jumps across the keyboard.