Order 448.
39 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C4×AGL(1,𝔽8) | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | C2×AGL(1,𝔽8) | C4 | 1 | 1 | yes | characteristic |
| 3 | C23×C8 | C7 | 1 | 1 | yes | maximal, characteristic, complemented, Sylow |
| 4 | AGL(1,𝔽8) | C8 | 1 | 1 | yes | characteristic, direct product factor |
| 5 | C7×C8 | — | 8 | 1 | no | maximal |
| 6 | C23×C4 | C2×C7 | 1 | 1 | yes | characteristic |
| 7 | C22×C8 | — | 7 | 1 | no | — |
| 8 | C22×C8 | — | 7 | 1 | no | — |
| 9 | C4×C7 | — | 8 | 1 | no | — |
| 10 | C24 | C4×C7 | 1 | 1 | yes | characteristic |
| 11 | C22×C4 | — | 7 | 1 | no | — |
| 12 | C22×C4 | — | 7 | 1 | no | — |
| 13 | C2×C8 | — | 7 | 1 | no | — |
| 14 | C2×C8 | — | 7 | 3 | no | — |
| 15 | C2×C7 | — | 8 | 1 | no | — |
| 16 | C23 | — | 7 | 1 | no | — |
| 17 | C23 | — | 7 | 1 | no | — |
| 18 | C23 | C7×C8 | 1 | 1 | yes | characteristic, complemented |
| 19 | C2×C4 | — | 7 | 1 | no | — |
| 20 | C2×C4 | — | 7 | 3 | no | — |
| 21 | C8 | — | 7 | 1 | no | — |
| 22 | C8 | AGL(1,𝔽8) | 1 | 1 | yes | characteristic, direct product factor |
| 23 | C7 | — | 8 | 1 | no | Sylow |
| 24 | C22 | — | 7 | 1 | no | — |
| 25 | C22 | — | 7 | 3 | no | — |
| 26 | C22 | — | 7 | 1 | no | — |
| 27 | C4 | — | 7 | 1 | no | — |
| 28 | C4 | C2×AGL(1,𝔽8) | 1 | 1 | yes | characteristic |
| 29 | C2 | — | 7 | 1 | no | — |
| 30 | C2 | — | 7 | 1 | no | — |
| 31 | C2 | C4×AGL(1,𝔽8) | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C8 | AGL(1,𝔽8) |
| commutator, hypocenter | C23 | C7×C8 |
| Frattini | C4 | C2×AGL(1,𝔽8) |
| Fitting | C23×C8 | C7 |
| socle | C24 | C4×C7 |
| prime radical | C2×AGL(1,𝔽8) | C4 |
| cosocle | C23×C4 | C2×C7 |
| LCS | G ▷ C23 | |
| UCS | C1 ◁ C8 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 3. C23×C8 | C7 | semidirect |
| 4. AGL(1,𝔽8) | C8 | direct (N × H) |
| 18. C23 | C7×C8 | semidirect |
| 22. C8 | AGL(1,𝔽8) | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C4×AGL(1,𝔽8) | 2 |
| C23×C8 | 7 |
| C7×C8 | 8 |