Order 336.
76 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | Q8×ΓL(1,𝔽8) | C2 | 1 | 4 | yes | maximal, direct product factor |
| 2 | C2×C4×ΓL(1,𝔽8) | C2 | 1 | 3 | yes | maximal |
| 3 | C2×C7×Q8 | C3 | 1 | 1 | yes | maximal, characteristic, complemented, Hall |
| 4 | C22×ΓL(1,𝔽8) | C22 | 1 | 1 | yes | characteristic |
| 5 | C4×ΓL(1,𝔽8) | C22 | 1 | 6 | yes | — |
| 6 | C7×Q8 | C2×C3 | 1 | 4 | yes | complemented |
| 7 | C2×C4×C7 | C2×C3 | 1 | 3 | yes | — |
| 8 | C2×C3×Q8 | — | 7 | 1 | no | maximal, Hall |
| 9 | C2×ΓL(1,𝔽8) | Q8 | 1 | 2 | yes | direct product factor |
| 10 | C2×ΓL(1,𝔽8) | C23 | 1 | 1 | yes | characteristic |
| 11 | C22×C7 | C22×C3 | 1 | 1 | yes | characteristic |
| 12 | C4×C7 | C22×C3 | 1 | 6 | yes | — |
| 13 | C3×Q8 | — | 7 | 4 | no | — |
| 14 | C2×C3×C4 | — | 7 | 3 | no | — |
| 15 | ΓL(1,𝔽8) | C2×Q8 | 1 | 1 | yes | characteristic, direct product factor, Hall |
| 16 | C2×Q8 | ΓL(1,𝔽8) | 1 | 1 | yes | characteristic, direct product factor, Sylow |
| 17 | C2×C7 | C3×Q8 | 1 | 2 | yes | complemented |
| 18 | C2×C7 | C23×C3 | 1 | 1 | yes | characteristic |
| 19 | C22×C3 | — | 7 | 1 | no | — |
| 20 | C3×C4 | — | 7 | 6 | no | — |
| 21 | Q8 | C2×ΓL(1,𝔽8) | 1 | 4 | yes | direct product factor |
| 22 | C2×C4 | C2×ΓL(1,𝔽8) | 1 | 3 | yes | — |
| 23 | C7 | C2×C3×Q8 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 24 | C2×C3 | — | 7 | 2 | no | — |
| 25 | C2×C3 | — | 7 | 1 | no | — |
| 26 | C22 | C22×ΓL(1,𝔽8) | 1 | 1 | yes | characteristic |
| 27 | C4 | C22×ΓL(1,𝔽8) | 1 | 6 | yes | — |
| 28 | C3 | — | 7 | 1 | no | Sylow |
| 29 | C2 | Q8×ΓL(1,𝔽8) | 1 | 2 | yes | direct product factor |
| 30 | C2 | C23×ΓL(1,𝔽8) | 1 | 1 | yes | characteristic |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. Q8×ΓL(1,𝔽8) | C2 | direct (N × H) |
| 3. C2×C7×Q8 | C3 | semidirect |
| 6. C7×Q8 | C2×C3 | semidirect |
| 9. C2×ΓL(1,𝔽8) | Q8 | direct (N × H) |
| 15. ΓL(1,𝔽8) | C2×Q8 | direct (N × H) |
| 16. C2×Q8 | ΓL(1,𝔽8) | direct (N × H) |
| 17. C2×C7 | C3×Q8 | semidirect |
| 21. Q8 | C2×ΓL(1,𝔽8) | direct (N × H) |
| 23. C7 | C2×C3×Q8 | semidirect |
| 29. C2 | Q8×ΓL(1,𝔽8) | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| Q8×ΓL(1,𝔽8) | 2 |
| C2×C4×ΓL(1,𝔽8) | 2 |
| C2×C7×Q8 | 3 |
| C2×C3×Q8 | 7 |