Order 64.
65 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C2×Q16 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 2 | C2×SD16 | C2 | 1 | 2 | yes | maximal, complemented |
| 3 | C2×D8 | C2 | 1 | 1 | yes | maximal, characteristic |
| 4 | #124 | C2 | 1 | 2 | yes | maximal, complemented |
| 5 | C4×C8 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 6 | C2×Q8 | C22 | 1 | 2 | yes | — |
| 7 | C2×D4 | C22 | 1 | 2 | yes | — |
| 8 | Q16 | — | 2 | 2 | no | — |
| 9 | SD16 | — | 2 | 4 | no | — |
| 10 | D8 | — | 2 | 2 | no | — |
| 11 | C2×C8 | C22 | 1 | 1 | yes | characteristic |
| 12 | C2×C8 | C22 | 1 | 1 | yes | characteristic |
| 13 | C22⋊C4 | — | 2 | 4 | no | — |
| 14 | C42 | C22 | 1 | 1 | yes | characteristic |
| 15 | C23 | — | 2 | 2 | no | — |
| 16 | Q8 | — | 2 | 2 | no | — |
| 17 | Q8 | — | 2 | 2 | no | — |
| 18 | D4 | — | 2 | 2 | no | — |
| 19 | D4 | — | 2 | 2 | no | — |
| 20 | C2×C4 | — | 2 | 2 | no | — |
| 21 | C2×C4 | D4 | 1 | 2 | yes | — |
| 22 | C2×C4 | C23 | 1 | 1 | yes | characteristic |
| 23 | C8 | D4 | 1 | 2 | yes | — |
| 24 | C8 | D4 | 1 | 2 | yes | — |
| 25 | C22 | — | 4 | 2 | no | — |
| 26 | C22 | — | 4 | 4 | no | — |
| 27 | C22 | C2×D4 | 1 | 1 | yes | characteristic |
| 28 | C4 | — | 2 | 2 | no | — |
| 29 | C4 | — | 4 | 2 | no | — |
| 30 | C4 | C2×D4 | 1 | 1 | yes | characteristic |
| 31 | C4 | C2×D4 | 1 | 1 | yes | characteristic |
| 32 | C2 | — | 8 | 2 | no | — |
| 33 | C2 | #127 | 1 | 1 | yes | characteristic |
| 34 | C2 | #135 | 1 | 2 | yes | — |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×D4 |
| commutator, Frattini, cosocle | C2×C4 | C23 |
| prime radical | C2×D8 | C2 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C42 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C2×Q16 | C2 | semidirect |
| 2. C2×SD16 | C2 | semidirect |
| 4. #124 | C2 | semidirect |
| 5. C4×C8 | C2 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×Q16 | 2 |
| C2×SD16 | 2 |
| C2×D8 | 2 |
| #124 | 2 |
| C4×C8 | 2 |