Db 13b9, 1st inversion (E# in the bass)
Also written as Db13b9/E#.
Notes, from the bass up
E# (bass)G#BDA#C#
The same notes as Db 13b9 (E#, G#, B, D, A# and C#), rearranged so E# is the lowest note. Use it to move between chords with smaller jumps across the keyboard.