| order | 512 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #265163 |
| automorphism | ? |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #2408 |
| commutator, Frattini, cosocle | C2×C42 | C24 |
| prime radical | #18772 | C2 |
| LCS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
909 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)(3,4)(5,7)(6,8)(9,10,16,20)(11,21,25,23)(12,18,29,35)(13,14,19,15)(17,30,33,24)(22,34,39,37)(26,32,38,40)(27,28,36,31);(1,3,6,7)(2,4,8,5)(9,11,15,30,16,25,14,24)(10,17,19,23,20,33,13,21)(12,26,31,39,29,38,28,22)(18,34,36,40,35,37,27,32);(2,3)(4,5)(7,8)(9,12)(10,18)(11,22)(13,27)(14,28)(15,31)(16,29)(17,32)(19,36)(20,35)(21,37)(23,34)(24,38)(25,39)(26,30)(33,40);(1,4,6,5)(2,3,8,7)(9,13,14,20,16,19,15,10)(11,23,24,17,25,21,30,33)(12,27,28,35,29,36,31,18)(22,34,38,32,39,37,26,40)Polycyclic presentation:
2^9|a^2=h,b^2=ehi,d^2=ei,e^2=h,f^2=i,g^2=hi,b^a=be,c^a=cf,d^a=de,e^a=eh,f^a=fi,g^a=ghi,c^b=cg,d^b=dh,f^b=fhi,g^b=ghi,d^c=di,f^c=fi,g^c=ghi50 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 172402);