Finite Group DatabasebetaFinite Group Databasebeta| order | 512 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #392 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C42 · Schur multiplier (H2) = C24×C4 |
| direct product | C2×#8263 |
| subgroup | G/H | |
|---|---|---|
| center | C22×C42 | C23 |
| commutator | C23 | C22×C42 |
| Frattini, cosocle | C2×C42 | C24 |
| socle, prime radical | C24 | C2×C42 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
1158 conjugacy classes of subgroups.
| minimal degree | μ(G) = 22 |
| transitive degree | μt(G) = 512 |
A minimal faithful permutation representation — 4 generators on 22 points:
(1,2);(3,4,5,6)(7,8,10,9,11,12,14,13);(4,6)(15,16,17,20,18,19,21,22);(7,9,10,12,11,13,14,8)(16,19)(20,22)176 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#210516, C2×#210660, C2×#184098, … |
| maximal normal subgroup of | C2×#210516, C2×#210660, C2×#184098, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 90490);