13 groups of order 2781.
| SmallGroups | group |
|---|---|
| (2781, 1) | C27×C103 #14583998 |
| (2781, 2) | C3×C9×C103 #14583999 |
| (2781, 3) | H(3,𝔽3)×C103 #14584000 |
| (2781, 4) | 3−1+2×C103 #14584001 |
| (2781, 5) | C33×C103 #14584002 |
| (2781, 6) | C103⋊C27 #14584003 |
| (2781, 7) | C9×C103⋊C3 #14584004 |
| (2781, 8) | C3×C103⋊C9 #14584005 |
| (2781, 9) | C32⋊(C103⋊C3) #14584006 |
| (2781, 10) | #14584007 |
| (2781, 11) | #14584008 |
| (2781, 12) | #14584009 |
| (2781, 13) | C32×C103⋊C3 #14584010 |