Finite Group DatabasebetaFinite Group DatabasebetaOrder 128.
216 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | #395 | C2 | 1 | 6 | yes | maximal |
| 2 | #391 | C2 | 1 | 9 | yes | maximal |
| 3 | C22×Q8 | C22 | 1 | 2 | yes | — |
| 4 | C22×Q8 | C22 | 1 | 3 | yes | — |
| 5 | C2×C4⋊C4 | C22 | 1 | 9 | yes | — |
| 6 | C2×C42 | C22 | 1 | 3 | yes | — |
| 7 | #95 | C22 | 1 | 18 | yes | — |
| 8 | C2×Q8 | — | 4 | 3 | no | — |
| 9 | C2×Q8 | — | 4 | 3 | no | — |
| 10 | C2×Q8 | — | 4 | 6 | no | — |
| 11 | C2×Q8 | Q8 | 1 | 12 | yes | complemented |
| 12 | C22×C4 | C23 | 1 | 6 | yes | — |
| 13 | C22×C4 | C23 | 1 | 9 | yes | — |
| 14 | C4⋊C4 | — | 4 | 9 | no | — |
| 15 | C42 | — | 4 | 3 | no | — |
| 16 | C23 | C24 | 1 | 1 | yes | characteristic |
| 17 | Q8 | — | 4 | 12 | no | — |
| 18 | Q8 | — | 4 | 8 | no | — |
| 19 | C2×C4 | — | 2 | 9 | no | — |
| 20 | C2×C4 | — | 2 | 9 | no | — |
| 21 | C2×C4 | — | 2 | 18 | no | — |
| 22 | C2×C4 | C2×Q8 | 1 | 18 | yes | — |
| 23 | C22 | C22×Q8 | 1 | 3 | yes | — |
| 24 | C22 | H(5,𝔽2) | 1 | 1 | yes | characteristic |
| 25 | C22 | H(5,𝔽2) | 1 | 3 | yes | — |
| 26 | C4 | — | 2 | 18 | no | — |
| 27 | C4 | — | 4 | 6 | no | — |
| 28 | C2 | #543 | 1 | 3 | yes | — |
| 29 | C2 | Q82 | 1 | 3 | yes | — |
| 30 | C2 | H(3,𝔽4) | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, prime radical, cosocle | C23 | C24 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 11. C2×Q8 | Q8 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #395 | 2 |
| #391 | 2 |