Finite Group DatabasebetaFinite Group DatabasebetaOrder 20398.
16 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C7×C31×C47 | C2 | 1 | 1 | yes | maximal, characteristic, complemented, Hall |
| 2 | C47×D31 | — | 7 | 1 | no | maximal, Hall |
| 3 | C31×C47 | D7 | 1 | 1 | yes | characteristic, complemented, Hall |
| 4 | D7×C47 | — | 31 | 1 | no | maximal, Hall |
| 5 | D217 | C47 | 1 | 1 | yes | maximal, characteristic, direct product factor, Hall |
| 6 | C7×C47 | D31 | 1 | 1 | yes | characteristic, complemented, Hall |
| 7 | C7×C31 | C2×C47 | 1 | 1 | yes | characteristic, complemented, Hall |
| 8 | C2×C47 | — | 217 | 1 | no | Hall |
| 9 | D31 | — | 7 | 1 | no | Hall |
| 10 | C47 | D217 | 1 | 1 | yes | characteristic, direct product factor, Sylow |
| 11 | C31 | D7×C47 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 12 | D7 | — | 31 | 1 | no | Hall |
| 13 | C7 | C47×D31 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 14 | C2 | — | 217 | 1 | no | Sylow |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C47 | D217 |
| commutator, cosocle, hypocenter | C7×C31 | C2×C47 |
| Frattini | C1 | G |
| Fitting, socle | C7×C31×C47 | C2 |
| LCS | G ▷ C7×C31 | |
| UCS | C1 ◁ C47 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C7×C31×C47 | C2 | semidirect |
| 3. C31×C47 | D7 | semidirect |
| 5. D217 | C47 | direct (N × H) |
| 6. C7×C47 | D31 | semidirect |
| 7. C7×C31 | C2×C47 | semidirect |
| 10. C47 | D217 | direct (N × H) |
| 11. C31 | D7×C47 | semidirect |
| 13. C7 | C47×D31 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C7×C31×C47 | 2 |
| C47×D31 | 7 |
| D7×C47 | 31 |
| D217 | 47 |