C#m7 is a minor seventh, spelled C#, E, G# and B. In Ukulele (low G) tuning (G3 C4 E4 A4) the easiest shape is x102, which sits at fret 1, spans 1 fret, 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#
B
Interval
1P
3m
5P
7m
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.
x102sits at fret 1, spans 1 fret, lets 1 string ring open and mutes 1 string4444sits at fret 4 and needs a barre across 4 strings at fret 46877sits at fret 6 and spans 2 frets6442sits at fret 2 and spans 4 fretsx13014sits at fret 13, spans 1 fret, lets 1 string ring open and mutes 1 string911911sits at fret 9 and needs a barre across 3 strings at fret 9x131214sits at fret 12, spans 2 frets and mutes 1 string91197sits at fret 7 and spans 4 frets1102sits at fret 1, needs a barre across 2 strings at fret 1 and lets 1 string ring open4404sits at fret 4, needs no stretch at all and lets 1 string ring open6477sits at fret 4 and spans 3 frets6474sits at fret 4 and needs a barre across 3 strings at fret 4
Keys C#m7 belongs to
C#m7 is diatonic to 24 of the 96 keys this app knows, playing a different role in each.