G# Minor Major 9th, 4th inversion (A# in the bass)
Also written as G#m(maj9)/A#.
Notes, from the bass up
A# (bass)G#BD#G
The same notes as G# Minor Major 9th (A#, G#, B, D# and G), rearranged so A# is the lowest note. Use it to move between chords with smaller jumps across the keyboard.