Finite Group DatabasebetaFinite Group Databasebeta| order | 17724 |
| isoclinism | isoclinic class of D21 |
| automorphism | ? |
| homology | Abelianization (H1) = C4×C211 · Schur multiplier (H2) = C1 |
| direct product | Dic21×C211 |
| unambiguous semidirect product | C3⋊(Dic7×C211) |
| unambiguous semidirect product | C7⋊(Dic3×C211) |
| derived, Hall | C3×C7 ⋊ C4×C211 |
| Hall | C3×C7×C211 ⋊ C4 |
| Hall | C7×C211 ⋊ Dic3 |
| Hall | C3×C211 ⋊ Dic7 |
| Sylow | C7 ⋊ Dic3×C211 |
| Sylow | C3 ⋊ Dic7×C211 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C211 | D21 |
| commutator, hypocenter | C3×C7 | C4×C211 |
| Frattini | C2 | D21×C211 |
| Fitting, socle, prime radical | C2×C3×C7×C211 | C2 |
| cosocle | C2×C3×C7 | C2×C211 |
| LCS | G ▷ C3×C7 | |
| UCS | C1 ◁ C2×C211 | |
24 conjugacy classes of subgroups.
| transitive degree | μt(G) = 17724 |
5064 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(17724, 13);