Finite Group DatabasebetaFinite Group Databasebeta| order | 20988 |
| automorphism | ? |
| homology | Abelianization (H1) = C9×C11×C53 · Schur multiplier (H2) = C2 |
| derived, Sylow | C22 ⋊ C9×C11×C53 |
| Hall | C22×C11×C53 ⋊ C9 |
| Hall | C22×C53 ⋊ C9×C11 |
| Hall | C22×C11 ⋊ C9×C53 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C3×C11×C53 | A4 |
| commutator, hypocenter | C22 | C9×C11×C53 |
| Frattini | C3 | C11×A4×C53 |
| Fitting, socle, prime radical | C22×C3×C11×C53 | C3 |
| cosocle | C22×C3 | C3×C11×C53 |
| LCS | G ▷ C22 | |
| UCS | C1 ◁ C3×C11×C53 | |
32 conjugacy classes of subgroups.
| transitive degree | μt(G) = 10494 |
6996 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20988, 21);