Finite Group DatabasebetaFinite Group Databasebeta| order | 20876 |
| automorphism | ? |
| homology | Abelianization (H1) = C4×C17 · Schur multiplier (H2) = C1 |
| direct product | C4×C307⋊C17 |
| unambiguous semidirect product | (C4×C307)⋊C17 |
| Fitting, Hall | C4×C307 ⋊ C17 |
| derived, Sylow | C307 ⋊ C4×C17 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C4 | C307⋊C17 |
| commutator, hypocenter | C307 | C4×C17 |
| Frattini | C2 | C2×C307⋊C17 |
| Fitting | C4×C307 | C17 |
| socle, cosocle | C2×C307 | C2×C17 |
| prime radical | C2×C307⋊C17 | C2 |
| LCS | G ▷ C307 | |
| UCS | C1 ◁ C4 | |
12 conjugacy classes of subgroups.
| transitive degree | μt(G) = 1228 |
140 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20876, 3);