| order | 512 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #458125 |
| automorphism | ? |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C2×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | #555 |
| commutator, Frattini, cosocle | C23×C4 | C24 |
| socle | C22 | #2495 |
| prime radical | C24 | 2−1+4 |
| LCS | G ▷ C23×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C23×C4 ◁ G | |
| LECS | G ▷ C23×C4 ▷ C2 ▷ C1 | |
558 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 4 generators on 40 points:
(1,2,6,5)(3,8,4,7)(9,10,15,19,14,20,13,16)(11,17,21,30,24,34,23,33)(12,25,29,31,28,18,27,36)(22,32,37,35,38,40,26,39);(1,3,6,4)(2,7,5,8)(10,16,20,19)(11,21,24,23)(18,31,25,36)(22,37,38,26);(1,4,6,3)(2,7,5,8)(9,11)(10,17)(12,26)(13,21)(14,24)(15,23)(16,30)(18,35)(19,33)(20,34)(22,27)(25,39)(28,37)(29,38)(31,40)(32,36);(1,5,6,2)(3,8,4,7)(9,12,15,29,14,28,13,27)(10,18,19,36,20,25,16,31)(11,22,21,37,24,38,23,26)(17,32,30,35,34,40,33,39)Polycyclic presentation:
2^9|a^2=ef,b^2=efgh,c^2=eg,d^2=ef,e^2=i,g^2=i,b^a=be,c^a=cf,d^a=dh,e^a=ei,f^a=fi,g^a=gi,c^b=cg,d^c=de,e^c=ei,g^c=gi,h^c=hi68 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 381915);