Banjo C♯m chord (Open G)C♯ minor on the 5-string banjo: 2 1 2 2, and 1 more shape

Frets, string 4 to string 1: 2 1 2 2 (first position)

1. String 4 (D): 2nd fret, middle finger, E
2. String 3 (G): 1st fret, index finger, G♯
3. String 2 (B): 2nd fret, ring finger, C♯
4. String 1 (D): 2nd fret, little finger, E
5. String 5, the short g: open, G, not in the chord

Sounds: E G♯ C♯ E  ·  C♯m is C♯, E, G♯ (1 · ♭3 · 5)

Found in: A major (iii), B major (ii), B mixolydian (ii), B dorian (ii), E major (vi), E mixolydian (vi)

The 5th string: the short g rubs against the G♯ in this shape, a semitone away: some players let it ring, some skip it.

Up the neck: Barre minor shape: 6 6 5 6 (5fr); F minor shape: 11 9 9 11 (9fr); D minor shape: 14 13 14 14 (13fr). Slide a shape up or down to play another chord of its kind.

With a capo: on the 1st fret it’s 1 0 1 1 (frets counted from the capo), an open Cm shape. Spike the 5th string at the 6th fret to keep it in tune with the capo.

Open G tuning: gDGBD, the short 5th string first, then strings 4 to 1.