Order 128.
266 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C22×D4 |
| commutator, Frattini, cosocle | C2×C4 | C24 |
| prime radical | C2×#135 | C2 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ #117 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C2×#137 | C2 | semidirect |
| 3. C22×Q16 | C2 | semidirect |
| 4. #536 | C2 | semidirect |
| 5. #497 | C2 | semidirect |
| 6. #495 | C2 | semidirect |
| 7. #494 | C2 | semidirect |
| 8. #405 | C2 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×#137 | 2 |
| C2×#135 | 2 |
| C22×Q16 | 2 |
| #536 | 2 |
| #497 | 2 |
| #495 | 2 |
| #494 | 2 |
| #405 | 2 |