Finite Group DatabasebetaFinite Group Databasebeta| order | 18921 |
| automorphism | ? |
| homology | Abelianization (H1) = C3×C17×C53 · Schur multiplier (H2) = C1 |
| Fitting, socle, Hall | C7×C17×C53 ⋊ C3 |
| derived, Sylow | C7 ⋊ C3×C17×C53 |
| Hall | C7×C53 ⋊ C3×C17 |
| Hall | C7×C17 ⋊ C3×C53 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C17×C53 | ΓL(1,𝔽8) |
| commutator, cosocle, hypocenter | C7 | C3×C17×C53 |
| Frattini | C1 | G |
| Fitting, socle | C7×C17×C53 | C3 |
| LCS | G ▷ C7 | |
| UCS | C1 ◁ C17×C53 | |
16 conjugacy classes of subgroups.
| transitive degree | μt(G) = 6307 |
4505 conjugacy classes. The character table is too large to display.
| maximal subgroup of | C2×C17×ΓL(1,𝔽8)×C53, C17×ΓL(1,𝔽8)×D53, ΓL(1,𝔽8)×D17×C53, … |
| maximal normal subgroup of | C2×C17×ΓL(1,𝔽8)×C53, C17×ΓL(1,𝔽8)×D53, ΓL(1,𝔽8)×D17×C53, … |
| maximal quotient of | C2×C17×ΓL(1,𝔽8)×C53 |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(18921, 2);