15 groups of order 21972.
| SmallGroups | group |
|---|---|
| (21972, 1) | C3×C4×C1831 #36347038 |
| (21972, 2) | (C1831⋊C3)⋊C4 #36347039 |
| (21972, 3) | C4×C1831⋊C3 #36347040 |
| (21972, 4) | Dic3×C1831 #36347041 |
| (21972, 5) | C3×Dic1831 #36347042 |
| (21972, 6) | Dic5493 #36347043 |
| (21972, 7) | C22×C3×C1831 #36347044 |
| (21972, 8) | C2×D1831⋊C3 #36347045 |
| (21972, 9) | D3×D1831 #36347046 |
| (21972, 10) | A4×C1831 #36347047 |
| (21972, 11) | C22⋊(C1831⋊C3) #36347048 |
| (21972, 12) | C22×C1831⋊C3 #36347049 |
| (21972, 13) | C2×C3×D1831 #36347050 |
| (21972, 14) | C2×D3×C1831 #36347051 |
| (21972, 15) | C2×D5493 #36347052 |