Finite Group DatabasebetaFinite Group DatabasebetaOrder 128.
106 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C2×C4×C8 | C2 | 1 | 3 | yes | maximal |
| 2 | C22×C8 | C4 | 1 | 6 | yes | — |
| 3 | C2×C42 | C22 | 1 | 1 | yes | characteristic |
| 4 | C4×C8 | — | 2 | 6 | no | — |
| 5 | C22×C4 | C2×C4 | 1 | 3 | yes | — |
| 6 | C2×C8 | — | 2 | 6 | no | — |
| 7 | C2×C8 | — | 2 | 6 | no | — |
| 8 | C2×C8 | C8 | 1 | 12 | yes | complemented |
| 9 | C42 | D4 | 1 | 3 | yes | — |
| 10 | C42 | Q8 | 1 | 1 | yes | characteristic |
| 11 | C23 | C42 | 1 | 1 | yes | characteristic |
| 12 | C2×C4 | C22⋊C4 | 1 | 3 | yes | — |
| 13 | C2×C4 | C4⋊C4 | 1 | 3 | yes | — |
| 14 | C2×C4 | C2×C8 | 1 | 6 | yes | — |
| 15 | C2×C4 | M16 | 1 | 6 | yes | — |
| 16 | C8 | — | 2 | 12 | no | — |
| 17 | C22 | #95 | 1 | 1 | yes | characteristic |
| 18 | C22 | C4×C8 | 1 | 3 | yes | — |
| 19 | C22 | #97 | 1 | 3 | yes | — |
| 20 | C4 | C22⋊C8 | 1 | 6 | yes | — |
| 21 | C4 | C4⋊C8 | 1 | 6 | yes | — |
| 22 | C2 | C82 | 1 | 1 | yes | characteristic |
| 23 | C2 | #322 | 1 | 3 | yes | — |
| 24 | C2 | #336 | 1 | 3 | yes | — |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, cosocle | C2×C42 | C22 |
| commutator | C2 | C82 |
| socle, prime radical | C23 | C42 |
| LCS | G ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 8. C2×C8 | C8 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×C4×C8 | 2 |