| 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 | |
454 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)(9,10,15,21,16,22,13,19)(11,23,27,39,28,40,25,34)(12,18,14,31,30,20,29,38)(17,33,36,24,37,32,35,26);(9,11,16,28)(10,17,22,37)(12,24,30,26)(13,25,15,27)(14,32,29,33)(18,34,20,39)(19,35,21,36)(23,38,40,31);(1,3,4,8,5,2,6,7)(9,12,15,14,16,30,13,29)(10,18,21,31,22,20,19,38)(11,24,27,32,28,26,25,33)(17,34,36,23,37,39,35,40);(2,3)(7,8)(9,13,16,15)(10,19,22,21)(11,25,28,27)(12,29,30,14)(17,35,37,36)(18,38,20,31)(23,34,40,39)(24,33,26,32)Polycyclic presentation:
2^9|a^2=f,b^2=i,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.
| maximal subgroup of | #72260370, #72260372, #72260414 |
| maximal normal subgroup of | #72260370, #72260372, #72260414 |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 391282);