| 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 | #24227 | C2 |
| LCS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
657 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 40 points:
(1,2,4,8)(3,7,5,6)(10,16)(11,21)(12,25)(13,15)(17,22)(19,20)(23,37)(26,30)(27,28)(32,34)(35,38)(36,39);(1,3,4,5)(2,6,8,7)(9,10,14,20)(11,22,21,34)(12,26,28,30)(13,19,15,16)(17,29,32,24)(18,25,33,27)(23,31,35,40)(36,38,39,37);(2,6)(3,5)(7,8)(9,11)(10,17)(12,23)(13,24)(14,21)(15,29)(16,22)(18,31)(19,34)(20,32)(25,38)(26,39)(27,37)(28,35)(30,36)(33,40);(2,7)(3,5)(6,8)(9,12,14,28)(10,18,20,33)(11,23,21,35)(13,25,15,27)(16,30,19,26)(17,31,32,40)(22,36,34,39)(24,38,29,37)Polycyclic presentation:
2^9|a^2=i,b^2=hi,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, 239868);