Order 15712.
60 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | Dic491⋊C4 | C2 | 1 | 3 | yes | maximal, complemented |
| 2 | (C2×D491)⋊C4 | C2 | 1 | 3 | yes | maximal |
| 3 | C42×C491 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 4 | C22×D491 | C22 | 1 | 1 | yes | characteristic |
| 5 | C2×Dic491 | C22 | 1 | 3 | yes | — |
| 6 | C2×C4×C491 | C22 | 1 | 3 | yes | — |
| 7 | C22×C491 | C23 | 1 | 1 | yes | characteristic |
| 8 | C2×D491 | — | 2 | 3 | no | — |
| 9 | C4×C491 | — | 2 | 3 | no | — |
| 10 | Dic491 | — | 2 | 3 | no | — |
| 11 | C2×C491 | #41 | 1 | 3 | yes | — |
| 12 | D491 | — | 4 | 1 | no | — |
| 13 | C491 | #126 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 14 | #126 | — | 491 | 1 | no | maximal, Sylow |
| 15 | C4⋊C4 | — | 491 | 3 | no | — |
| 16 | C22⋊C4 | — | 491 | 3 | no | — |
| 17 | C42 | D491 | 1 | 1 | yes | characteristic, complemented |
| 18 | C23 | — | 491 | 1 | no | — |
| 19 | C2×C4 | — | 491 | 3 | no | — |
| 20 | C2×C4 | C2×D491 | 1 | 3 | yes | — |
| 21 | C22 | — | 982 | 3 | no | — |
| 22 | C22 | C22×D491 | 1 | 1 | yes | characteristic |
| 23 | C4 | — | 2 | 3 | no | — |
| 24 | C4 | — | 982 | 3 | no | — |
| 25 | C2 | — | 1964 | 1 | no | — |
| 26 | C2 | #21463328 | 1 | 3 | yes | — |
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C22 | C22×D491 |
| commutator, socle, cosocle | C22×C491 | C23 |
| Fitting | C42×C491 | C2 |
| prime radical | C22×D491 | C22 |
| hypercenter | C42 | D491 |
| hypocenter | C491 | #126 |
| LCS | G ▷ C22×C491 ▷ C491 | |
| UCS | C1 ◁ C22 ◁ C42 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. Dic491⋊C4 | C2 | semidirect |
| 3. C42×C491 | C2 | semidirect |
| 13. C491 | #126 | semidirect |
| 17. C42 | D491 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| Dic491⋊C4 | 2 |
| (C2×D491)⋊C4 | 2 |
| C42×C491 | 2 |
| #126 | 491 |