Finite Group DatabasebetaFinite Group Databasebeta| order | 512 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #1510 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C42 · Schur multiplier (H2) = C24×C42 |
| direct product | C4×#1555 |
| subgroup | G/H | |
|---|---|---|
| center | C22×C4 | C2×C22⋊C4 |
| commutator | C2×C4 | C22×C42 |
| Frattini, cosocle | C2×C42 | C24 |
| socle | C23 | C22×C22⋊C4 |
| prime radical | C22×#127 | C22 |
| LCS | G ▷ C2×C4 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ C2×C43 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
1858 conjugacy classes of subgroups.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 20 points:
(1,2,3,4);(5,6,7,10,8,9,11,12)(13,14)(15,17)(16,18)(19,20);(6,9)(7,11)(14,17)(15,20)(18,19);(14,18)(17,19)104 conjugacy classes — view the full character table.
| maximal subgroup of | C4×#18524, AGL(1,𝔽5)×#1555 |
| maximal normal subgroup of | C4×#18524 |
| maximal quotient of | C4×#11992, AGL(1,𝔽5)×#1555 |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 89991);