Gdim(maj7) banjo chord

How to play Gdim(maj7) on banjo

The most common way, the first shape above: your ring finger on the low D string at the 4th fret, your middle finger on the G string at the 3rd fret, your index finger on the B string at the 2nd fret and your little finger on the high D string at the 4th fret. Let the short G string ring open.

From the short G string 0 4 3 2 4 (x: not played, 0: open)

What notes are in Gdim(maj7)?

Gdim(maj7), G diminished major seventh, is G, B♭, D♭ and F♯: the root (G), the minor third (B♭), the diminished fifth (D♭) and the major seventh (F♯). Its formula is 1 ♭3 ♭5 7.