Order 25216.
224 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, socle | C2×C197 | B(4,𝔽2) |
| commutator, Frattini, cosocle | C2×Q8 | C23×C197 |
| prime radical | 2−1+4×C197 | C22 |
| LCS | G ▷ C2×Q8 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C197 ◁ C22×C197 ◁ C2×Q8×C197 ◁ G | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. Q82×C197 | C2 | semidirect |
| 3. #356×C197 | C2 | semidirect |
| 46. C197 | #2205 | direct (N × H) |
| 47. #2205 | C197 | direct (N × H) |
| 48. Q82 | C2×C197 | semidirect |
| 50. #356 | C2×C197 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| Q82×C197 | 2 |
| #456×C197 | 2 |
| #356×C197 | 2 |
| #2205 | 197 |