| order | 512 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #7624235 |
| automorphism | ? |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C23×D8 |
| commutator, Frattini, cosocle | C2×C8 | C25 |
| prime radical | #61436 | C2 |
| LCS | G ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C4×#41 ◁ C8×#41 ◁ G | |
| LECS | G ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
1336 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 5 generators on 40 points:
(2,5)(3,7)(9,10,13,18)(11,20,15,16)(12,23,24,39)(14,27,26,32)(17,33,34,25)(19,22,35,29)(21,38,30,36)(28,37,40,31);(1,2)(3,6)(4,5)(7,8)(9,11,13,15)(10,16,18,20)(12,21,24,30)(14,22,26,29)(17,31,34,37)(19,32,35,27)(23,36,39,38)(25,28,33,40);(9,12,13,24)(10,17,18,34)(11,21,15,30)(14,28,26,40)(16,31,20,37)(19,36,35,38)(22,33,29,25)(23,32,39,27);(2,5)(6,8)(9,11,13,15)(10,16,18,20)(12,21,24,30)(14,22,26,29)(17,31,34,37)(19,32,35,27)(23,36,39,38)(25,28,33,40);(1,3,4,7)(2,6,5,8)(9,11,13,15)(10,16,18,20)(12,21,24,30)(14,22,26,29)(17,31,34,37)(19,32,35,27)(23,36,39,38)(25,28,33,40)Polycyclic presentation:
2^9|a^2=i,b^2=i,c^2=i,d^2=i,e^2=f,g^2=hi,h^2=i,b^a=bf,c^a=cg,d^a=di,e^a=ef,g^a=gh,h^a=hi,d^b=dfi,g^c=gh,h^c=hi77 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 7531757);