C♯13 7-string bass chord

How to play C♯13 on 7-string bass

The most common way, the first shape above: your index finger on the B string at the 2nd fret, your middle finger on the A string at the 2nd fret, your ring finger on the D string at the 3rd fret, your ring finger on the G string at the 3rd fret, your ring finger on the C string at the 3rd fret and your ring finger on the F string at the 3rd fret. Don’t play the E string.

From the B string 2 x 2 3 3 3 3 (x: not played, 0: open)

What notes are in C♯13?

C♯13, C♯ dominant thirteenth, is C♯, E♯, G♯, B, D♯ and A♯: the root (C♯), the major third (E♯), the perfect fifth (G♯), the minor seventh (B), the ninth (D♯) and the thirteenth (A♯). Its formula is 1 3 5 ♭7 9 13.