Finite Group DatabasebetaFinite Group DatabasebetaOrder 20096.
16 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C64×C157 | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | C32×C157 | C4 | 1 | 1 | yes | characteristic |
| 3 | C16×C157 | C8 | 1 | 1 | yes | characteristic |
| 4 | C8×C157 | C16 | 1 | 1 | yes | characteristic |
| 5 | C4×C157 | C32 | 1 | 1 | yes | characteristic |
| 6 | C2×C157 | C64 | 1 | 1 | yes | characteristic |
| 7 | C157 | C128 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 8 | C128 | — | 157 | 1 | no | maximal, Sylow |
| 9 | C64 | D157 | 1 | 1 | yes | characteristic |
| 10 | C32 | Dic157 | 1 | 1 | yes | characteristic |
| 11 | C16 | #11929434 | 1 | 1 | yes | characteristic |
| 12 | C8 | #14578929 | 1 | 1 | yes | characteristic |
| 13 | C4 | #19097677 | 1 | 1 | yes | characteristic |
| 14 | C2 | #23756992 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C64 | D157 |
| commutator, hypocenter | C157 | C128 |
| Fitting, cosocle | C64×C157 | C2 |
| socle, prime radical | C2×C157 | C64 |
| LCS | G ▷ C157 | |
| UCS | C1 ◁ C64 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 7. C157 | C128 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C64×C157 | 2 |
| C128 | 157 |