| order | 512 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of D4×D16 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D8 |
| commutator | C2×C8 | C23×C4 |
| Frattini, cosocle | C22×C8 | C24 |
| prime radical | C24 | C2×D8 |
| LCS | G ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C4×C22⋊C4 ◁ C8×C22⋊C4 ◁ G | |
| LECS | G ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1 | |
784 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 4 generators on 40 points:
(1,2)(3,4)(5,6,8,7)(9,10)(11,16)(12,15)(13,27)(14,19)(17,24)(18,25)(20,29)(21,34)(22,35)(23,33)(26,31)(28,32)(30,38)(36,40)(37,39);(5,7,8,6)(10,15)(11,20)(12,24)(13,25)(17,18)(19,31)(21,22)(23,37)(26,38)(27,30)(28,36)(29,34)(32,35)(39,40);(2,4);(9,11,14,23)(10,16,19,33)(12,20,26,37)(13,28,25,22)(15,29,31,39)(17,34,30,40)(18,35,27,32)(21,38,36,24)Polycyclic presentation:
2^9|a^2=g,b^2=g,d^2=i,e^2=hi,h^2=i,b^a=be,c^a=cf,e^a=eh,h^a=hi,d^b=deh,e^b=eh,h^b=hi,e^d=eh,h^d=hi110 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 405325);