Db Quartal (So What), 4th inversion (G# in the bass)
Also written as Db quartal/G#.
Notes, from the bass up
G# (bass)C#F#BD#
The same notes as Db Quartal (So What) (G#, C#, F#, B and D#), rearranged so G# is the lowest note. Use it to move between chords with smaller jumps across the keyboard.