G Major 9#11, 1st inversion (B in the bass)
Also written as Gmaj9#11/B.
Notes, from the bass up
B (bass)DF#AC#G
The same notes as G Major 9#11 (B, D, F#, A, C# and G), rearranged so B is the lowest note. Use it to move between chords with smaller jumps across the keyboard.