Order 672.
43 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C2×GL(3,𝔽2) | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | GL(3,𝔽2) | C4 | 1 | 1 | yes | characteristic, complemented |
| 3 | ΓL(1,𝔽8)⋊C4 | — | 8 | 1 | no | maximal |
| 4 | C2×S4 | — | 14 | 1 | no | — |
| 5 | C2×ΓL(1,𝔽8) | — | 8 | 1 | no | — |
| 6 | #102 | — | 21 | 1 | no | maximal, Sylow |
| 7 | Dic7 | — | 8 | 1 | no | — |
| 8 | C2×A4 | — | 14 | 1 | no | — |
| 9 | S4 | — | 14 | 1 | no | — |
| 10 | S4 | — | 14 | 1 | no | — |
| 11 | C4×D3 | — | 28 | 1 | no | maximal |
| 12 | ΓL(1,𝔽8) | — | 8 | 1 | no | Hall |
| 13 | C2×D4 | — | 21 | 1 | no | — |
| 14 | C2×C8 | — | 21 | 1 | no | — |
| 15 | C4⋊C4 | — | 21 | 1 | no | — |
| 16 | C2×C7 | — | 8 | 1 | no | — |
| 17 | C2×D3 | — | 28 | 1 | no | — |
| 18 | A4 | — | 14 | 1 | no | — |
| 19 | C3×C4 | — | 28 | 1 | no | — |
| 20 | Dic3 | — | 28 | 1 | no | — |
| 21 | C23 | — | 14 | 1 | no | — |
| 22 | D4 | — | 21 | 1 | no | — |
| 23 | D4 | — | 21 | 1 | no | — |
| 24 | D4 | — | 42 | 1 | no | — |
| 25 | C2×C4 | — | 21 | 1 | no | — |
| 26 | C2×C4 | — | 42 | 1 | no | — |
| 27 | C8 | — | 42 | 1 | no | — |
| 28 | C7 | — | 8 | 1 | no | Sylow |
| 29 | C2×C3 | — | 28 | 1 | no | — |
| 30 | D3 | — | 28 | 1 | no | — |
| 31 | D3 | — | 28 | 1 | no | — |
| 32 | C22 | — | 14 | 1 | no | — |
| 33 | C22 | — | 21 | 1 | no | — |
| 34 | C22 | — | 42 | 1 | no | — |
| 35 | C4 | — | 21 | 1 | no | — |
| 36 | C4 | — | 21 | 1 | no | — |
| 37 | C4 | — | 28 | 1 | no | — |
| 38 | C3 | — | 28 | 1 | no | Sylow |
| 39 | C2 | — | 21 | 1 | no | — |
| 40 | C2 | — | 21 | 1 | no | — |
| 41 | C2 | SO(3,𝔽7) | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, Fitting, hypercenter | C2 | SO(3,𝔽7) |
| commutator, hypocenter | GL(3,𝔽2) | C4 |
| socle, prime radical, cosocle | C2×GL(3,𝔽2) | C2 |
| LCS | G ▷ GL(3,𝔽2) | |
| UCS | C1 ◁ C2 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. GL(3,𝔽2) | C4 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×GL(3,𝔽2) | 2 |
| ΓL(1,𝔽8)⋊C4 | 8 |
| #102 | 21 |
| C4×D3 | 28 |