G♭(♯4) 8-string bass chord

How to play G♭(♯4) on 8-string bass

The most common way, the first shape above: your index finger on the B string at the 1st fret, your ring finger on the E string at the 2nd fret and your middle finger on the A string at the 1st fret. Let the F♯ string ring open. Don’t play the D, G, C and F strings.

From the F♯ string 0 1 2 1 x x x x (x: not played, 0: open)

What notes are in G♭(♯4)?

G♭(♯4), G♭ major with sharp four, no fifth, is G♭, B♭ and C: the root (G♭), the major third (B♭) and the augmented fourth (C). Its formula is 1 3 ♯4.