20 groups of order 10420.
| SmallGroups | group |
|---|---|
| (10420, 1) | C4×C5×C521 #23781014 |
| (10420, 2) | Dic521⋊C5 #23781015 |
| (10420, 3) | C4×C521⋊C5 #23781016 |
| (10420, 4) | Dic5×C521 #23781017 |
| (10420, 5) | C5×Dic521 #23781018 |
| (10420, 6) | Dic2605 #23781019 |
| (10420, 7) | C22×C5×C521 #23781020 |
| (10420, 8) | #14523438⋊C5 #23781021 |
| (10420, 9) | C2×D521⋊C5 #23781022 |
| (10420, 10) | C22×C521⋊C5 #23781023 |
| (10420, 11) | C5×#14523438 #23781024 |
| (10420, 12) | AGL(1,𝔽5)×C521 #23781025 |
| (10420, 13) | #23781026 |
| (10420, 14) | #23781027 |
| (10420, 15) | #23781028 |
| (10420, 16) | #23781029 |
| (10420, 17) | D5×D521 #23781030 |
| (10420, 18) | C2×D2605 #23781031 |
| (10420, 19) | C2×D5×C521 #23781032 |
| (10420, 20) | C2×C5×D521 #23781033 |