Bb Minor 11th, 3rd inversion (G# in the bass)
Notes, from the bass up
G# (bass)B#D#A#C#E#
The same notes as Bb Minor 11th (G#, B#, D#, A#, C# and E#), rearranged so G# is the lowest note. Use it to move between chords with smaller jumps across the keyboard.