Finite Group DatabasebetaFinite Group Databasebeta| order | 21356 |
| automorphism | ? |
| homology | Abelianization (H1) = C4 · Schur multiplier (H2) = C1 |
| unambiguous semidirect product | C19⋊#11765499 |
| Fitting, socle, derived, Hall | C19×C281 ⋊ C4 |
| Sylow | C281 ⋊ Dic19 |
| Sylow | C19 ⋊ #11765499 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C1 | G |
| commutator, Fitting, socle, hypocenter | C19×C281 | C4 |
| prime radical, cosocle | C19×D281 | C2 |
| LCS | G ▷ C19×C281 | |
| UCS | C1 | |
12 conjugacy classes of subgroups.
| transitive degree | μt(G) = 5339 |
Polycyclic presentation:
2^2,19,281|a^2=b,c^a=c^18,d^a=d^53,d^b=d^2801352 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21356, 7);