| order | 512 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #7519075 |
| automorphism | ? |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×D42 |
| commutator, Frattini, cosocle | C22×C4 | C25 |
| prime radical | #3499 | C22 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
1695 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 40 points:
(1,2)(3,7)(4,8)(5,6)(9,10,15,19)(11,16,23,33)(12,24,28,26)(13,29,18,14)(17,34,36,27)(20,37,39,35)(21,31,30,22)(25,40,38,32);(2,6)(7,8)(9,11,15,23)(10,16,19,33)(12,25,28,38)(13,30,18,21)(14,31,29,22)(17,35,36,37)(20,27,39,34)(24,40,26,32);(1,3,5,4)(2,7,6,8)(9,12,14,27,15,28,29,34)(10,17,18,24,19,36,13,26)(11,20,22,38,23,39,31,25)(16,32,30,37,33,40,21,35);(1,3,5,4)(2,7,6,8)(9,13,14,10,15,18,29,19)(11,21,22,16,23,30,31,33)(12,26,27,17,28,24,34,36)(20,35,38,32,39,37,25,40);(1,4,5,3)(2,7,6,8)Polycyclic presentation:
2^9|a^2=i,b^2=i,c^2=fg,d^2=fg,e^2=f,g^2=i,b^a=bf,c^a=cg,d^a=dg,e^a=ef,g^a=gi,h^a=hi,c^b=cgi,d^b=dh,g^b=gi,h^d=hi68 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 7472261);