| order | 512 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of D4×D16 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | C22×D8 |
| commutator | C2×C8 | C23×C4 |
| Frattini, cosocle | C4×C8 | C24 |
| socle | C22 | C2×C4×D8 |
| prime radical | C2×#508 | C4 |
| LCS | G ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ #431 ◁ C8×M16 ◁ G | |
| LECS | G ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
455 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 4 generators on 40 points:
(1,2,4,7,5,3,6,8)(9,10,15,20,16,21,13,19)(11,22,25,32,26,39,24,38)(12,18,27,36,28,37,14,29)(17,31,34,40,35,30,33,23);(9,11)(10,17)(12,23)(13,24)(14,30)(15,25)(16,26)(18,32)(19,33)(20,34)(21,35)(22,29)(27,31)(28,40)(36,39)(37,38);(1,3,4,8,5,2,6,7)(9,12,15,27,16,28,13,14)(10,18,20,36,21,37,19,29)(11,23,25,31,26,40,24,30)(17,32,34,39,35,38,33,22);(2,3)(7,8)(9,13,16,15)(10,19,21,20)(11,24,26,25)(12,14,28,27)(17,33,35,34)(18,29,37,36)(22,38,39,32)(23,30,40,31)Polycyclic presentation:
2^9|a^2=f,c^2=f,d^2=i,e^2=gi,f^2=h,g^2=i,b^a=be,d^a=dhi,e^a=eg,g^a=gi,e^b=eg,g^b=gi,d^c=dhi110 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 391280);