Order 336.
40 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | D84 | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | C7×Dic6 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 3 | C3×C7⋊C8 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 4 | #1143 | — | 3 | 1 | no | maximal, Hall |
| 5 | C2×D21 | — | 2 | 1 | no | — |
| 6 | C3×C4×C7 | C22 | 1 | 1 | yes | characteristic |
| 7 | C7×Dic3 | — | 2 | 1 | no | — |
| 8 | C7×Q8 | — | 3 | 1 | no | — |
| 9 | D28 | — | 3 | 1 | no | — |
| 10 | C7⋊C8 | D3 | 1 | 1 | yes | characteristic, complemented |
| 11 | #204 | — | 7 | 1 | no | maximal, Hall |
| 12 | C2×C3×C7 | D4 | 1 | 1 | yes | characteristic |
| 13 | D21 | — | 4 | 1 | no | — |
| 14 | C2×D7 | — | 6 | 1 | no | — |
| 15 | C4×C7 | — | 6 | 1 | no | — |
| 16 | C4×C7 | C2×D3 | 1 | 1 | yes | characteristic |
| 17 | D12 | — | 7 | 1 | no | — |
| 18 | Dic6 | D7 | 1 | 1 | yes | characteristic, complemented |
| 19 | C3×C8 | — | 7 | 1 | no | — |
| 20 | C3×C7 | SD16 | 1 | 1 | yes | characteristic, complemented, Hall |
| 21 | SD16 | — | 21 | 1 | no | Sylow |
| 22 | C2×C7 | D12 | 1 | 1 | yes | characteristic |
| 23 | D7 | — | 12 | 1 | no | — |
| 24 | C2×D3 | — | 14 | 1 | no | — |
| 25 | C3×C4 | C2×D7 | 1 | 1 | yes | characteristic |
| 26 | Dic3 | — | 2 | 1 | no | — |
| 27 | Q8 | — | 3 | 1 | no | — |
| 28 | D4 | — | 21 | 1 | no | — |
| 29 | C8 | — | 7 | 1 | no | — |
| 30 | C7 | #204 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 31 | C2×C3 | C22⋊D7 | 1 | 1 | yes | characteristic |
| 32 | D3 | — | 28 | 1 | no | — |
| 33 | C22 | — | 42 | 1 | no | — |
| 34 | C4 | — | 6 | 1 | no | — |
| 35 | C4 | D3×D7 | 1 | 1 | yes | characteristic |
| 36 | C3 | #1143 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 37 | C2 | — | 84 | 1 | no | — |
| 38 | C2 | #4247 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center | C2 | #4247 |
| commutator, Fitting, cosocle | C3×C4×C7 | C22 |
| Frattini, hypercenter | C4 | D3×D7 |
| socle | C2×C3×C7 | D4 |
| prime radical | D84 | C2 |
| hypocenter | C3×C7 | SD16 |
| LCS | G ▷ C3×C4×C7 ▷ C2×C3×C7 ▷ C3×C7 | |
| UCS | C1 ◁ C2 ◁ C4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. C7×Dic6 | C2 | semidirect |
| 3. C3×C7⋊C8 | C2 | semidirect |
| 10. C7⋊C8 | D3 | semidirect |
| 18. Dic6 | D7 | semidirect |
| 20. C3×C7 | SD16 | semidirect |
| 30. C7 | #204 | semidirect |
| 36. C3 | #1143 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| D84 | 2 |
| C7×Dic6 | 2 |
| C3×C7⋊C8 | 2 |
| #1143 | 3 |
| #204 | 7 |