Order 400.
52 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | D5×Dic5 | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | #6034 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 3 | #6033 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 4 | C2×C5×D5 | C4 | 1 | 1 | yes | characteristic |
| 5 | #1039 | C22 | 1 | 1 | yes | characteristic |
| 6 | C5×Dic5 | C4 | 1 | 1 | yes | characteristic |
| 7 | C2×#170 | — | 5 | 1 | no | maximal |
| 8 | D5⋊C8 | — | 5 | 1 | no | maximal |
| 9 | C2×C52 | C2×C4 | 1 | 1 | yes | characteristic |
| 10 | C5×D5 | C8 | 1 | 2 | yes | complemented |
| 11 | C2×Dic5 | — | 5 | 1 | no | — |
| 12 | C4×D5 | — | 5 | 1 | no | — |
| 13 | #170 | — | 5 | 1 | no | — |
| 14 | #170 | — | 5 | 1 | no | — |
| 15 | #170 | — | 5 | 1 | no | — |
| 16 | #170 | — | 5 | 1 | no | — |
| 17 | #170 | — | 10 | 2 | no | — |
| 18 | C52 | C2×C8 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 19 | C22×C5 | — | 5 | 1 | no | — |
| 20 | C2×D5 | AGL(1,𝔽5) | 1 | 1 | yes | characteristic |
| 21 | C4×C5 | — | 5 | 1 | no | — |
| 22 | Dic5 | — | 5 | 1 | no | — |
| 23 | Dic5 | — | 5 | 1 | no | — |
| 24 | Dic5 | — | 10 | 2 | no | — |
| 25 | Dic5 | AGL(1,𝔽5) | 1 | 1 | yes | characteristic |
| 26 | C2×C8 | — | 25 | 1 | no | Sylow |
| 27 | C2×C5 | — | 2 | 2 | no | — |
| 28 | C2×C5 | — | 5 | 2 | no | — |
| 29 | C2×C5 | C2×AGL(1,𝔽5) | 1 | 1 | yes | characteristic |
| 30 | C2×C5 | C2×AGL(1,𝔽5) | 1 | 1 | yes | characteristic |
| 31 | D5 | #170 | 1 | 2 | yes | complemented |
| 32 | C2×C4 | — | 25 | 1 | no | — |
| 33 | C8 | — | 25 | 1 | no | — |
| 34 | C8 | — | 25 | 1 | no | — |
| 35 | C5 | — | 2 | 2 | no | — |
| 36 | C5 | D5⋊C8 | 1 | 1 | yes | characteristic, complemented |
| 37 | C5 | C2×#170 | 1 | 1 | yes | characteristic, complemented |
| 38 | C22 | — | 5 | 1 | no | — |
| 39 | C4 | — | 5 | 1 | no | — |
| 40 | C4 | — | 25 | 1 | no | — |
| 41 | C2 | — | 5 | 2 | no | — |
| 42 | C2 | D5⋊AGL(1,𝔽5) | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C2 | D5⋊AGL(1,𝔽5) |
| commutator, hypocenter | C52 | C2×C8 |
| Fitting, socle | C2×C52 | C2×C4 |
| prime radical | C2×C5×D5 | C4 |
| cosocle | #1039 | C22 |
| LCS | G ▷ C52 | |
| UCS | C1 ◁ C2 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. #6034 | C2 | semidirect |
| 3. #6033 | C2 | semidirect |
| 10. C5×D5 | C8 | semidirect |
| 18. C52 | C2×C8 | semidirect |
| 31. D5 | #170 | semidirect |
| 36. C5 | D5⋊C8 | semidirect |
| 37. C5 | C2×#170 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| D5×Dic5 | 2 |
| #6034 | 2 |
| #6033 | 2 |
| C2×#170 | 5 |
| D5⋊C8 | 5 |