| order | 512 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #332583 |
| automorphism | ? |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #2668 |
| commutator, Frattini, cosocle | C2×C42 | C24 |
| prime radical | #3036 | C22 |
| LCS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
610 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 40 points:
(2,6)(3,7)(4,8)(9,10,15,20)(11,21,24,29)(12,18,27,33)(13,16,14,19)(17,28,32,22)(23,37,39,35)(25,34,26,30)(31,36,40,38);(1,2,5,6)(3,4,8,7)(10,16)(11,22)(12,25)(13,14)(18,33)(19,20)(21,29)(24,28)(26,27)(31,37)(35,40)(36,38);(1,3,5,8)(2,7,6,4)(9,11,15,24)(10,17,20,32)(12,23,27,39)(13,22,14,28)(16,29,19,21)(18,31,33,40)(25,38,26,36)(30,37,34,35);(1,4)(2,3)(5,7)(6,8)(9,12,15,27)(10,18,20,33)(11,23,24,39)(13,26,14,25)(16,30,19,34)(17,31,32,40)(21,35,29,37)(22,36,28,38)Polycyclic presentation:
2^9|a^2=h,b^2=hi,c^2=i,d^2=h,e^2=h,f^2=i,g^2=h,b^a=be,c^a=cf,d^a=def,e^a=eh,f^a=fi,g^a=gh,c^b=cg,d^b=de,e^b=eh,f^b=fh,g^b=gh,f^c=fi,g^c=gh,e^d=eh,f^d=fi50 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 239840);