Order 512.
1234 conjugacy classes of subgroups.
The subgroup lattice has 449 nodes — too large to display as a diagram.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C2×#121 |
| commutator | C42 | C23×C4 |
| Frattini, cosocle | C2×C42 | C24 |
| prime radical | C24 | #121 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 6. #9220 | C2 | semidirect |
| 7. #9216 | C2 | semidirect |
| 13. #3078 | C4 | semidirect |
| 261. C2×Q8 | #103 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×#3078 | 2 |
| C22×C8×Q8 | 2 |
| #21400 | 2 |
| #20647 | 2 |
| C2×#1550 | 2 |
| #9220 | 2 |
| #9216 | 2 |
| #8045 | 2 |
| #7874 | 2 |