| order | 512 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of D4×D8 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C8 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C8 | C22×D4 |
| commutator | C2×C4 | C23×C8 |
| Frattini, cosocle | C4×C8 | C24 |
| socle | C22 | C2×C8×D4 |
| prime radical | #3169 | C4 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C8 ◁ C4×M32 ◁ G | |
| LECS | G ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
511 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)(3,5)(4,7)(6,8)(9,10,14,18,13,20,28,37,15,19,30,36,29,17,33,35)(11,21,24,27,25,32,39,26,22,34,38,40,23,16,31,12);(2,5)(3,8)(6,7)(9,11)(10,16)(12,18)(13,25)(14,24)(15,22)(17,34)(19,32)(20,21)(23,29)(26,36)(27,37)(28,39)(30,38)(31,33)(35,40);(9,12,14,21,13,27,28,32,15,26,30,34,29,40,33,16)(10,11,18,24,20,25,37,39,19,22,36,38,17,23,35,31);(11,22)(12,26)(16,32)(21,34)(23,25)(24,38)(27,40)(31,39)Polycyclic presentation:
2^9|a^2=f,c^2=f,e^2=g,f^2=h,h^2=i,b^a=be,e^a=eg,d^b=di,e^b=eg,d^c=di140 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 390687);