15 groups of order 620.
| SmallGroups | group |
|---|---|
| (620, 1) | Dic31⋊C5 #10597541 |
| (620, 2) | C4×ΓL(1,𝔽32) #10597542 |
| (620, 3) | Dic5×C31 #10597543 |
| (620, 4) | C5×Dic31 #10597544 |
| (620, 5) | Dic155 #10597545 |
| (620, 6) | C4×C5×C31 #10597546 |
| (620, 7) | C2×D31⋊C5 #10597547 |
| (620, 8) | C22×ΓL(1,𝔽32) #10597548 |
| (620, 9) | AGL(1,𝔽5)×C31 #10597549 |
| (620, 10) | C31⋊AGL(1,𝔽5) #10597550 |
| (620, 11) | D5×D31 #10597551 |
| (620, 12) | C2×C5×D31 #10597552 |
| (620, 13) | C2×D5×C31 #10597553 |
| (620, 14) | C2×D155 #10597554 |
| (620, 15) | C22×C5×C31 #10597555 |