Finite Group DatabasebetaFinite Group Databasebeta| order | 21998 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C647 · Schur multiplier (H2) = C1 |
| direct product | D17×C647 |
| unambiguous semidirect product | C17⋊(C2×C647) |
| Fitting, socle, Hall | C17×C647 ⋊ C2 |
| derived, Sylow | C17 ⋊ C2×C647 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C647 | D17 |
| commutator, cosocle, hypocenter | C17 | C2×C647 |
| Frattini | C1 | G |
| Fitting, socle | C17×C647 | C2 |
| LCS | G ▷ C17 | |
| UCS | C1 ◁ C647 | |
8 conjugacy classes of subgroups.
| transitive degree | μt(G) = 10999 |
6470 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21998, 3);