18 groups of order 21612.
| SmallGroups | group |
|---|---|
| (21612, 1) | C3×C4×C1801 #36342685 |
| (21612, 2) | Dic1801⋊C3 #36342686 |
| (21612, 3) | C4×C1801⋊C3 #36342687 |
| (21612, 4) | Dic3×C1801 #36342688 |
| (21612, 5) | C3×Dic1801 #36342689 |
| (21612, 6) | Dic5403 #36342690 |
| (21612, 7) | C22×C3×C1801 #36342691 |
| (21612, 8) | #20297880⋊C3 #36342692 |
| (21612, 9) | C2×D1801⋊C3 #36342693 |
| (21612, 10) | C3×#20297880 #36342694 |
| (21612, 11) | C3⋊#20297880 #36342695 |
| (21612, 12) | D3×D1801 #36342696 |
| (21612, 13) | A4×C1801 #36342697 |
| (21612, 14) | C22⋊(C1801⋊C3) #36342698 |
| (21612, 15) | C22×C1801⋊C3 #36342699 |
| (21612, 16) | C2×C3×D1801 #36342700 |
| (21612, 17) | C2×D3×C1801 #36342701 |
| (21612, 18) | C2×D5403 #36342702 |