15 groups of order 21231.
| SmallGroups | group |
|---|---|
| (21231, 1) | C7×C9×C337 #35234725 |
| (21231, 2) | (C337⋊C7)⋊C9 #35234726 |
| (21231, 3) | C9×C337⋊C7 #35234727 |
| (21231, 4) | C7⋊C9×C337 #35234728 |
| (21231, 5) | C7×C337⋊C9 #35234729 |
| (21231, 6) | #35234730 |
| (21231, 7) | #35234731 |
| (21231, 8) | C32×C7×C337 #35234732 |
| (21231, 9) | C3×(C337⋊C3)⋊C7 #35234733 |
| (21231, 10) | ΓL(1,𝔽8)×C337⋊C3 #35234734 |
| (21231, 11) | C32×C337⋊C7 #35234735 |
| (21231, 12) | C3×C7×C337⋊C3 #35234736 |
| (21231, 13) | C3×ΓL(1,𝔽8)×C337 #35234737 |
| (21231, 14) | C3×#20296697 #35234738 |
| (21231, 15) | C3×#20296698 #35234739 |