Finite Group DatabasebetaFinite Group DatabasebetaOrder 128.
420 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C2×C4×D4 | C2 | 1 | 6 | yes | maximal, complemented |
| 2 | #399 | C2 | 1 | 4 | yes | maximal, complemented |
| 3 | #392 | C2 | 1 | 4 | yes | maximal, complemented |
| 4 | #376 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 5 | C22×D4 | C22 | 1 | 6 | yes | — |
| 6 | C23×C4 | C22 | 1 | 4 | yes | — |
| 7 | C4×D4 | — | 2 | 24 | no | — |
| 8 | C2×C4⋊C4 | C22 | 1 | 6 | yes | — |
| 9 | C2×C22⋊C4 | C22 | 1 | 12 | yes | — |
| 10 | C2×C42 | C22 | 1 | 3 | yes | — |
| 11 | #95 | C22 | 1 | 4 | yes | — |
| 12 | C24 | C23 | 1 | 4 | yes | — |
| 13 | C2×D4 | — | 2 | 24 | no | — |
| 14 | C2×D4 | — | 2 | 12 | no | — |
| 15 | C22×C4 | — | 2 | 24 | no | — |
| 16 | C22×C4 | C23 | 1 | 4 | yes | — |
| 17 | C22×C4 | C23 | 1 | 6 | yes | — |
| 18 | C22×C4 | C23 | 1 | 1 | yes | characteristic |
| 19 | C4⋊C4 | — | 2 | 12 | no | — |
| 20 | C22⋊C4 | — | 2 | 24 | no | — |
| 21 | C42 | D4 | 1 | 12 | yes | complemented |
| 22 | C23 | — | 2 | 12 | no | — |
| 23 | C23 | — | 2 | 12 | no | — |
| 24 | C23 | #41 | 1 | 8 | yes | — |
| 25 | C23 | C24 | 1 | 1 | yes | characteristic |
| 26 | D4 | — | 2 | 48 | no | — |
| 27 | C2×C4 | — | 2 | 12 | no | — |
| 28 | C2×C4 | — | 2 | 12 | no | — |
| 29 | C2×C4 | — | 4 | 16 | no | — |
| 30 | C2×C4 | C2×D4 | 1 | 12 | yes | — |
| 31 | C2×C4 | C2×D4 | 1 | 6 | yes | — |
| 32 | C22 | — | 2 | 24 | no | — |
| 33 | C22 | — | 4 | 12 | no | — |
| 34 | C22 | — | 4 | 4 | no | — |
| 35 | C22 | C22×D4 | 1 | 3 | yes | — |
| 36 | C22 | C2×#41 | 1 | 4 | yes | — |
| 37 | C4 | — | 2 | 12 | no | — |
| 38 | C4 | — | 4 | 4 | no | — |
| 39 | C4 | #127 | 1 | 4 | yes | — |
| 40 | C2 | — | 4 | 8 | no | — |
| 41 | C2 | #525 | 1 | 6 | yes | — |
| 42 | C2 | C2×#127 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center | C22×C4 | C23 |
| commutator, Frattini, socle, cosocle | C23 | C24 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C2×C4×D4 | C2 | semidirect |
| 2. #399 | C2 | semidirect |
| 3. #392 | C2 | semidirect |
| 4. #376 | C2 | semidirect |
| 21. C42 | D4 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×C4×D4 | 2 |
| #399 | 2 |
| #392 | 2 |
| #376 | 2 |