Order 256.
1749 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| prime radical | C2×#127 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C2×D4×Q8 | C2 | semidirect |
| 2. #2868 | C2 | semidirect |
| 3. #2542 | C2 | semidirect |
| 5. C42×Q8 | C2 | semidirect |
| 25. #127 | Q8 | direct (N × H) |
| 27. C4×Q8 | D4 | semidirect |
| 43. C2×D4 | C2×Q8 | semidirect |
| 55. C42 | C2×Q8 | semidirect |
| 61. Q8 | #127 | direct (N × H) |
| 80. C4 | D4×Q8 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×D4×Q8 | 2 |
| #2868 | 2 |
| #2542 | 2 |
| C4×#127 | 2 |
| C42×Q8 | 2 |