| order | 512 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #501132 |
| automorphism | ? |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×B(4,𝔽2) |
| commutator, Frattini, cosocle | C22×Q8 | C24 |
| prime radical | #3487 | C22 |
| LCS | G ▷ C22×Q8 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C22×C4 ◁ C22×#41 ◁ G | |
| LECS | G ▷ C22×Q8 ▷ C22 ▷ C2 ▷ C1 | |
903 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 40 points:
(1,2)(3,7)(4,6)(5,8)(9,10,15,19)(11,20,24,37)(12,17,14,28)(13,26,27,18)(16,30,32,23)(21,35,22,36)(25,34,29,33)(31,38,40,39);(1,3,4,8)(2,5,6,7)(11,21)(12,14)(16,31)(17,28)(20,35)(22,24)(23,39)(25,29)(30,38)(32,40)(33,34)(36,37);(9,11,13,23,15,24,27,30)(10,16,18,20,19,32,26,37)(12,22,25,39,14,21,29,38)(17,31,33,36,28,40,34,35);(2,6)(5,7)(9,12,15,14)(10,17,19,28)(11,22,24,21)(13,25,27,29)(16,31,32,40)(18,33,26,34)(20,36,37,35)(23,39,30,38)Polycyclic presentation:
2^9|a^2=i,b^2=e,c^2=f,d^2=i,f^2=i,g^2=i,b^a=be,c^a=cf,d^a=de,f^a=fi,g^a=ghi,c^b=cg,d^b=di,f^b=fh,g^b=gi,g^c=ghi,h^c=hi,g^f=gi47 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 409894);