12 groups of order 20312.
| SmallGroups | group |
|---|---|
| (20312, 1) | C8×C2539 #35204595 |
| (20312, 2) | C2×C4×C2539 #35204596 |
| (20312, 3) | D4×C2539 #35204597 |
| (20312, 4) | Q8×C2539 #35204598 |
| (20312, 5) | C23×C2539 #35204599 |
| (20312, 6) | C2539⋊C8 #35204600 |
| (20312, 7) | C4×D2539 #35204601 |
| (20312, 8) | C2×Dic2539 #35204602 |
| (20312, 9) | C22⋊D2539 #35204603 |
| (20312, 10) | D10156 #35204604 |
| (20312, 11) | Dic5078 #35204605 |
| (20312, 12) | C22×D2539 #35204606 |