Finite Group DatabasebetaFinite Group Databasebeta| order | 21987 |
| automorphism | ? |
| homology | Abelianization (H1) = C9 · Schur multiplier (H2) = C1 |
No aliases for this group.
| derived, Hall | C7×C349 ⋊ C9 |
| Sylow | C349 ⋊ C7⋊C9 |
| Sylow | C7 ⋊ C349⋊C9 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C3 | #20301080 |
| commutator, hypocenter | C7×C349 | C9 |
| Fitting, socle, prime radical, cosocle | C3×C7×C349 | C3 |
| LCS | G ▷ C7×C349 | |
| UCS | C1 ◁ C3 | |
12 conjugacy classes of subgroups.
| transitive degree | μt(G) = 21987 |
Polycyclic presentation:
3,7,349,3|a^3=d,b^a=b^2,c^a=c^1222451 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21987, 4);