| order | 512 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #332327 |
| automorphism | ? |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #2668 |
| commutator, Frattini, cosocle | C2×C42 | C24 |
| prime radical | #18766 | C2 |
| LCS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
712 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)(3,5)(4,7)(6,8)(9,10)(11,20)(12,16)(13,17)(14,19)(15,23)(18,28)(21,36)(22,30)(24,34)(25,35)(26,31)(27,33)(29,37)(32,39)(38,40);(9,11,14,24)(10,15,19,30)(12,25,27,21)(13,22,28,23)(16,29,33,40)(17,20,18,34)(26,38,39,37)(31,35,32,36);(2,5)(3,8)(6,7)(9,12,14,27)(10,16,19,33)(11,21,24,25)(13,26,28,39)(15,29,30,40)(17,31,18,32)(20,35,34,36)(22,37,23,38);(2,5)(3,8)(6,7)(10,17)(11,22)(13,28)(16,31)(18,19)(20,34)(21,37)(23,24)(25,38)(26,39)(32,33)(35,36)Polycyclic presentation:
2^9|b^2=h,c^2=h,e^2=h,f^2=i,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,f^c=fi,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, 239543);