| order | 512 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #476613 |
| automorphism | ? |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C2×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #2826 |
| commutator, Frattini, cosocle | C23×C4 | C24 |
| prime radical | C24 | 2−1+4 |
| LCS | G ▷ C23×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C23×C4 ◁ G | |
| LECS | G ▷ C23×C4 ▷ C2 ▷ C1 | |
549 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)(3,8)(4,6)(5,7)(9,10,15,21,16,22,14,20)(11,18,12,26,25,34,24,17)(13,19,30,36,31,37,29,35)(23,33,38,32,28,40,27,39);(1,2)(3,6)(4,8)(5,7)(9,11)(10,17,22,26)(12,14)(13,28,31,23)(15,24)(16,25)(18,21,34,20)(19,32)(27,30,38,29)(33,36)(35,40)(37,39);(1,3,5,4)(2,6,7,8)(9,12,14,11,16,24,15,25)(10,18,21,26,22,34,20,17)(13,23,30,38,31,28,29,27)(19,32,35,33,37,39,36,40);(1,4,5,3)(2,6,7,8)(9,13,15,29,16,31,14,30)(10,19,20,36,22,37,21,35)(11,23,12,27,25,28,24,38)(17,32,34,40,26,39,18,33)Polycyclic presentation:
2^9|a^2=g,b^2=h,c^2=f,d^2=fi,e^2=i,f^2=i,g^2=i,b^a=be,c^a=cf,d^a=dh,f^a=fi,h^a=hi,c^b=cg,d^b=def,f^b=fi,g^b=gi,d^c=de,e^c=ei,e^d=ei,g^d=gi,h^d=hi50 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 387021);