Finite Group DatabasebetaFinite Group DatabasebetaOrder 440.
24 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C4×C5×C11 | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | Dic55 | C2 | 1 | 2 | yes | maximal |
| 3 | C2×C5×C11 | C22 | 1 | 1 | yes | characteristic |
| 4 | Dic22 | — | 5 | 1 | no | maximal, Hall |
| 5 | C5×C11 | Q8 | 1 | 1 | yes | characteristic, complemented, Hall |
| 6 | C4×C11 | D5 | 1 | 1 | yes | characteristic |
| 7 | Dic11 | — | 5 | 2 | no | — |
| 8 | Dic10 | — | 11 | 1 | no | maximal, Hall |
| 9 | C2×C11 | C2×D5 | 1 | 1 | yes | characteristic |
| 10 | C4×C5 | D11 | 1 | 1 | yes | characteristic |
| 11 | Dic5 | — | 11 | 2 | no | — |
| 12 | C11 | Dic10 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 13 | C2×C5 | C2×D11 | 1 | 1 | yes | characteristic |
| 14 | Q8 | — | 55 | 1 | no | Sylow |
| 15 | C5 | Dic22 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 16 | C4 | — | 55 | 2 | no | — |
| 17 | C4 | D55 | 1 | 1 | yes | characteristic |
| 18 | C2 | C2×D55 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C2 | C2×D55 |
| commutator, socle, prime radical, cosocle | C2×C5×C11 | C22 |
| Fitting | C4×C5×C11 | C2 |
| hypercenter | C4 | D55 |
| hypocenter | C5×C11 | Q8 |
| LCS | G ▷ C2×C5×C11 ▷ C5×C11 | |
| UCS | C1 ◁ C2 ◁ C4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 5. C5×C11 | Q8 | semidirect |
| 12. C11 | Dic10 | semidirect |
| 15. C5 | Dic22 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C4×C5×C11 | 2 |
| Dic55 | 2 |
| Dic22 | 5 |
| Dic10 | 11 |