Cm is a minor, spelled C, Eb and G. In DADGAD tuning (D2 A2 D3 G3 A3 D4) the easiest shape is x3103x, which sits at fret 1, spans 2 frets, lets 1 string ring open and mutes 2 strings. 12 positions for it are shown below, from the nut up to fret 13.
Notes and intervals
Note
C
Eb
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.
x3103xsits at fret 1, spans 2 frets, lets 1 string ring open and mutes 2 stringsxxx565sits at fret 5, needs a barre across 3 strings at fret 5 and mutes 3 stringsx35065sits at fret 3, spans 3 frets, lets 1 string ring open and mutes 1 stringxx1081010sits at fret 8, spans 2 frets and mutes 2 strings101010121013sits at fret 10 and needs a barre across 5 strings at fret 10x1513015xsits at fret 13, spans 2 frets, lets 1 string ring open and mutes 2 strings10610010xsits at fret 6, spans 4 frets, lets 1 string ring open and mutes 1 stringx15131215xsits at fret 12, spans 3 frets and mutes 2 stringsx31031sits at fret 1, spans 2 frets, lets 1 string ring open and mutes 1 stringx310xxsits at fret 1, spans 2 frets, lets 1 string ring open and mutes 3 strings565565sits at fret 5 and needs a barre across 6 strings at fret 513103xsits at fret 1, needs a barre across 3 strings at fret 1, lets 1 string ring open and mutes 1 string
Keys Cm belongs to
Cm is diatonic to 24 of the 96 keys this app knows, playing a different role in each.