| order | 512 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of D4×D8 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C8 · Schur multiplier (H2) = C23×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C8 | C22×D4 |
| commutator | C2×C4 | C23×C8 |
| Frattini, cosocle | C22×C8 | C24 |
| socle | C22 | C2×C8×D4 |
| prime radical | C2×#135 | C2×C4 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C8 ◁ C2×C4⋊C16 ◁ G | |
| LECS | G ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1 | |
558 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)(3,6)(4,8)(5,7)(9,10,14,20,15,21,29,37,16,22,28,36,13,19,12,18)(11,23,24,35,25,34,27,39,26,38,31,40,30,17,32,33);(1,3,5,4)(2,6,7,8)(9,11)(10,17)(12,27)(13,30)(14,31)(15,25)(16,26)(18,35)(19,38)(20,39)(21,23)(22,34)(24,28)(29,32)(33,36)(37,40);(1,4,5,3)(2,6,7,8);(9,12,13,28,16,29,15,14)(10,18,19,36,22,37,21,20)(11,24,25,27,26,31,30,32)(17,33,23,35,34,39,38,40)Polycyclic presentation:
2^9|a^2=g,b^2=f,c^2=f,d^2=e,e^2=i,g^2=h,h^2=i,b^a=be,c^a=cf,d^b=de,e^b=ei,g^b=gi140 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 405230);