Finite Group DatabasebetaFinite Group Databasebeta| order | 21550 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C25 · Schur multiplier (H2) = C1 |
| direct product | C2×C431⋊C25 |
| unambiguous semidirect product | (C2×C431)⋊C25 |
| derived, Sylow | C431 ⋊ C2×C25 |
| Hall | C2×C431 ⋊ C25 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C5 | C431⋊C5 |
| commutator, hypocenter | C431 | C2×C25 |
| Frattini | C5 | C2×C431⋊C5 |
| Fitting, socle, prime radical | C2×C5×C431 | C5 |
| cosocle | C5×C431 | C2×C5 |
| LCS | G ▷ C431 | |
| UCS | C1 ◁ C2×C5 | |
12 conjugacy classes of subgroups.
| transitive degree | μt(G) = 21550 |
910 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21550, 3);