C#m is a minor, spelled C#, E and G#. In Standard tuning (E2 A2 D3 G3 B3 E4) the easiest shape is x46650, which sits at fret 4, spans 2 frets, lets 1 string ring open and mutes 1 string. 12 positions for it are shown below, from the nut up to fret 13.
Notes and intervals
Note
C#
E
G#
Interval
1P
3m
5P
12 ways to play it
Ordered by how hard they are to fret, easiest first, one per position on the neck. Fret numbers are relative to the position marked beside each grid.
x46650sits at fret 4, spans 2 frets, lets 1 string ring open and mutes 1 stringxx2120sits at fret 1, spans 1 fret, lets 1 string ring open and mutes 2 stringsxxx650sits at fret 5, spans 1 fret, lets 1 string ring open and mutes 3 strings91111990sits at fret 9, needs a barre across 5 strings at fret 9 and lets 1 string ring open976690sits at fret 6, needs a barre across 2 strings at fret 6 and lets 1 string ring open442xxxsits at fret 2, spans 2 frets and mutes 3 strings01111xxxsits at fret 11, needs a barre across 2 strings at fret 11, lets 1 string ring open and mutes 3 stringsxx1413140sits at fret 13, spans 1 fret, lets 1 string ring open and mutes 2 stringsxx14131412sits at fret 12, spans 2 frets and mutes 2 strings0711990sits at fret 7, spans 4 frets and lets 2 strings ring openx42120sits at fret 1, spans 3 frets, lets 1 string ring open and mutes 1 stringxxx120sits at fret 1, spans 1 fret, lets 1 string ring open and mutes 3 strings
Keys C#m belongs to
C#m is diatonic to 24 of the 96 keys this app knows, playing a different role in each.