Finite Group DatabasebetaFinite Group Databasebeta| order | 20864 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C64 · Schur multiplier (H2) = C2 |
| direct product | C2×C163⋊C64 |
| unambiguous semidirect product | (C2×C163)⋊C64 |
| derived, Sylow | C163 ⋊ C2×C64 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C32 | D163 |
| commutator, hypocenter | C163 | C2×C64 |
| Frattini | C32 | C2×D163 |
| Fitting | C2×C32×C163 | C2 |
| socle, prime radical | C22×C163 | C32 |
| cosocle | C32×C163 | C22 |
| LCS | G ▷ C163 | |
| UCS | C1 ◁ C2×C32 | |
40 conjugacy classes of subgroups.
| transitive degree | μt(G) = 20864 |
5312 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20864, 2719);