Finite Group DatabasebetaFinite Group Databasebeta| order | 21987 |
| automorphism | ? |
| homology | Abelianization (H1) = C9×C349 · Schur multiplier (H2) = C1 |
| direct product | C7⋊C9×C349 |
| unambiguous semidirect product | C7⋊(C9×C349) |
| derived, Sylow | C7 ⋊ C9×C349 |
| Hall | C7×C349 ⋊ C9 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C3×C349 | ΓL(1,𝔽8) |
| commutator, hypocenter | C7 | C9×C349 |
| Frattini | C3 | ΓL(1,𝔽8)×C349 |
| Fitting, socle, prime radical | C3×C7×C349 | C3 |
| cosocle | C3×C7 | C3×C349 |
| LCS | G ▷ C7 | |
| UCS | C1 ◁ C3×C349 | |
12 conjugacy classes of subgroups.
| transitive degree | μt(G) = 21987 |
5235 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21987, 2);