Finite Group DatabasebetaFinite Group Databasebeta| order | 20656 |
| automorphism | ? |
| homology | Abelianization (H1) = C42 · Schur multiplier (H2) = C4 |
| direct product | C4×Dic1291 |
| unambiguous semidirect product | C1291⋊C42 |
| derived, Sylow | C1291 ⋊ C42 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C4 | D1291 |
| commutator, hypocenter | C1291 | C42 |
| Frattini | C22 | C2×D1291 |
| Fitting | C2×C4×C1291 | C2 |
| socle, prime radical, cosocle | C22×C1291 | C22 |
| LCS | G ▷ C1291 | |
| UCS | C1 ◁ C2×C4 | |
30 conjugacy classes of subgroups.
| transitive degree | μt(G) = 20656 |
5176 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20656, 16);