Finite Group DatabasebetaFinite Group DatabasebetaOrder 200.
24 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C2×D25 | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | C4×C25 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 3 | Dic25 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 4 | C2×C25 | C22 | 1 | 1 | yes | characteristic |
| 5 | D25 | C4 | 1 | 2 | yes | direct product factor |
| 6 | C4×D5 | — | 5 | 1 | no | maximal |
| 7 | C25 | C2×C4 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 8 | C2×D5 | — | 5 | 1 | no | — |
| 9 | C4×C5 | D5 | 1 | 1 | yes | characteristic |
| 10 | Dic5 | — | 5 | 1 | no | — |
| 11 | C2×C5 | C2×D5 | 1 | 1 | yes | characteristic |
| 12 | D5 | — | 5 | 2 | no | — |
| 13 | C2×C4 | — | 25 | 1 | no | Sylow |
| 14 | C5 | C4×D5 | 1 | 1 | yes | characteristic |
| 15 | C22 | — | 25 | 1 | no | — |
| 16 | C4 | — | 25 | 1 | no | — |
| 17 | C4 | D25 | 1 | 1 | yes | characteristic, direct product factor |
| 18 | C2 | — | 25 | 2 | no | — |
| 19 | C2 | C2×D25 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C4 | D25 |
| commutator, hypocenter | C25 | C2×C4 |
| Frattini, socle | C2×C5 | C2×D5 |
| Fitting | C4×C25 | C2 |
| prime radical | C2×D25 | C2 |
| cosocle | C2×C25 | C22 |
| LCS | G ▷ C25 | |
| UCS | C1 ◁ C4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. C4×C25 | C2 | semidirect |
| 3. Dic25 | C2 | semidirect |
| 5. D25 | C4 | direct (N × H) |
| 7. C25 | C2×C4 | semidirect |
| 17. C4 | D25 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×D25 | 2 |
| C4×C25 | 2 |
| Dic25 | 2 |
| C4×D5 | 5 |