Finite Group DatabasebetaFinite Group Databasebeta| order | 20820 |
| automorphism | ? |
| homology | Abelianization (H1) = C4×C347 · Schur multiplier (H2) = C1 |
| direct product | ΓL(1,𝔽16)×C347 |
| unambiguous semidirect product | C3⋊(AGL(1,𝔽5)×C347) |
| Fitting, socle, Hall | C3×C5×C347 ⋊ C4 |
| derived, Hall | C3×C5 ⋊ C4×C347 |
| Hall | C5×C347 ⋊ Dic3 |
| Hall | C3×C347 ⋊ AGL(1,𝔽5) |
| Sylow | C5 ⋊ Dic3×C347 |
| Sylow | C3 ⋊ AGL(1,𝔽5)×C347 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C347 | ΓL(1,𝔽16) |
| commutator, hypocenter | C3×C5 | C4×C347 |
| Frattini | C1 | G |
| Fitting, socle | C3×C5×C347 | C4 |
| prime radical | C3×D5×C347 | C2 |
| cosocle | C3×D5 | C2×C347 |
| LCS | G ▷ C3×C5 | |
| UCS | C1 ◁ C347 | |
24 conjugacy classes of subgroups.
| transitive degree | μt(G) = 5205 |
3123 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20820, 14);