C♯m11♭5 8-string bass chord

How to play C♯m11♭5 on 8-string bass

The most common way, the first shape above: lay your index finger flat across the four strings from the B to the D at the 2nd fret. Let the G string ring open. Don’t play the F♯, C and F strings.

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

What notes are in C♯m11♭5?

C♯m11♭5, C♯ half-diminished eleventh, is C♯, E, G, B, D♯ and F♯: the root (C♯), the minor third (E), the diminished fifth (G), the minor seventh (B), the ninth (D♯) and the eleventh (F♯). Its formula is 1 ♭3 ♭5 ♭7 9 11.