| order | 512 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #332327 |
| 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 | C22×D4 | #41 |
| LCS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
645 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 40 points:
(1,2,4,7)(3,5,8,6)(9,10)(11,19)(12,23)(13,27)(14,18)(15,21)(16,25)(17,30)(20,38)(22,35)(24,33)(26,36)(28,31)(29,34)(32,39)(37,40);(9,11,14,22)(10,15,18,31)(12,24,26,40)(13,28,30,21)(16,33,34,37)(17,35,27,19)(20,29,39,25)(23,32,36,38);(2,5)(3,8)(6,7)(15,31)(19,35)(32,38)(33,37);(2,5)(3,8)(6,7)(9,12,14,26)(10,16,18,34)(11,20,22,39)(13,29,30,25)(15,32,31,38)(17,36,27,23)(19,37,35,33)(21,40,28,24)Polycyclic presentation:
2^9|a^2=i,b^2=h,d^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, 239604);