Order 1344.
155 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | #10621465 | C2 | 1 | 3 | yes | maximal, complemented |
| 2 | SL(2,𝔽7) | C22 | 1 | 1 | yes | characteristic, complemented |
| 3 | #5925 | — | 7 | 2 | no | maximal, Hall |
| 4 | Q8×ΓL(1,𝔽8) | — | 8 | 1 | no | maximal |
| 5 | #994 | — | 7 | 2 | no | — |
| 6 | #986 | — | 7 | 6 | no | — |
| 7 | #985 | — | 7 | 6 | no | — |
| 8 | C4×ΓL(1,𝔽8) | — | 8 | 3 | no | — |
| 9 | #576 | — | 21 | 1 | no | Sylow |
| 10 | C7×Q8 | — | 8 | 1 | no | — |
| 11 | #239 | — | 28 | 1 | no | — |
| 12 | #41⋊C3 | — | 7 | 6 | no | — |
| 13 | GL(2,𝔽3) | — | 7 | 6 | no | — |
| 14 | #226 | — | 7 | 2 | no | — |
| 15 | C2×ΓL(1,𝔽8) | — | 8 | 1 | no | — |
| 16 | H(5,𝔽2) | — | 7 | 2 | no | — |
| 17 | AGL(1,ℤ/8) | — | 21 | 6 | no | — |
| 18 | #135 | — | 21 | 3 | no | — |
| 19 | C2×D8 | — | 21 | 3 | no | — |
| 20 | #131 | — | 21 | 1 | no | — |
| 21 | C4×C7 | — | 8 | 3 | no | — |
| 22 | C3×Q8 | — | 28 | 1 | no | — |
| 23 | D12 | — | 28 | 3 | no | — |
| 24 | C4×D3 | — | 28 | 3 | no | — |
| 25 | SL(2,𝔽3) | — | 7 | 2 | no | — |
| 26 | ΓL(1,𝔽8) | — | 8 | 1 | no | Hall |
| 27 | #41 | — | 7 | 6 | no | — |
| 28 | #41 | — | 21 | 1 | no | — |
| 29 | C2×D4 | — | 21 | 6 | no | — |
| 30 | Q16 | — | 21 | 1 | no | — |
| 31 | SD16 | — | 21 | 6 | no | — |
| 32 | D8 | — | 21 | 3 | no | — |
| 33 | D8 | — | 21 | 6 | no | — |
| 34 | M16 | — | 21 | 3 | no | — |
| 35 | C2×C8 | — | 21 | 3 | no | — |
| 36 | C2×C7 | — | 8 | 1 | no | — |
| 37 | C2×D3 | — | 28 | 3 | no | — |
| 38 | C3×C4 | — | 28 | 3 | no | — |
| 39 | Dic3 | — | 28 | 1 | no | — |
| 40 | C23 | — | 42 | 2 | no | — |
| 41 | Q8 | — | 7 | 2 | no | — |
| 42 | Q8 | GL(3,𝔽2) | 1 | 1 | yes | maximal normal, characteristic |
| 43 | D4 | — | 21 | 6 | no | — |
| 44 | D4 | — | 21 | 3 | no | — |
| 45 | C2×C4 | — | 21 | 3 | no | — |
| 46 | C8 | — | 21 | 1 | no | — |
| 47 | C8 | — | 21 | 3 | no | — |
| 48 | C7 | — | 8 | 1 | no | Sylow |
| 49 | C2×C3 | — | 28 | 1 | no | — |
| 50 | D3 | — | 56 | 3 | no | — |
| 51 | C22 | — | 21 | 3 | no | — |
| 52 | C22 | — | 168 | 2 | no | — |
| 53 | C4 | — | 21 | 1 | no | — |
| 54 | C4 | C2×GL(3,𝔽2) | 1 | 3 | yes | — |
| 55 | C3 | — | 28 | 1 | no | Sylow |
| 56 | C2 | — | 42 | 3 | no | — |
| 57 | C2 | C22×GL(3,𝔽2) | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, socle, cosocle | C2 | C22×GL(3,𝔽2) |
| commutator, hypocenter | SL(2,𝔽7) | C22 |
| Fitting, hypercenter | Q8 | GL(3,𝔽2) |
| LCS | G ▷ SL(2,𝔽7) | |
| UCS | C1 ◁ C2 ◁ Q8 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #10621465 | C2 | semidirect |
| 2. SL(2,𝔽7) | C22 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #10621465 | 2 |
| #5925 | 7 |
| Q8×ΓL(1,𝔽8) | 8 |