Finite Group DatabasebetaFinite Group Databasebeta| order | 21788 |
| automorphism | ? |
| homology | Abelianization (H1) = C4 · Schur multiplier (H2) = C1 |
| unambiguous semidirect product | C419⋊#261 |
| Fitting, socle, derived, Hall | C13×C419 ⋊ C4 |
| Sylow | C419 ⋊ #261 |
| Sylow | C13 ⋊ Dic419 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C1 | G |
| commutator, Fitting, socle, hypocenter | C13×C419 | C4 |
| prime radical, cosocle | D13×C419 | C2 |
| LCS | G ▷ C13×C419 | |
| UCS | C1 | |
12 conjugacy classes of subgroups.
| transitive degree | μt(G) = 5447 |
Polycyclic presentation:
2^2,13,419|a^2=b,c^a=c^5,d^a=d^418,c^b=c^121679 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21788, 7);