| order | 512 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #136735 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #1879 |
| commutator | C22×C8 | C22×C4 |
| Frattini, cosocle | C23×C8 | C23 |
| prime radical | C24 | C2×D8 |
| LCS | G ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C23×C4 ◁ C2×#405 ◁ G | |
| LECS | G ▷ C23×C8 ▷ C4 ▷ C2 ▷ C1 | |
646 conjugacy classes of subgroups.
| minimal degree | μ(G) = 68 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 3 generators on 68 points:
(5,6)(7,20)(8,27,32,57)(9,17)(10,36)(11,16)(12,38)(13,19)(14,22)(15,30,46,31)(18,34)(21,40,54,64)(23,42)(24,49)(25,56)(26,51)(28,50,53,67)(29,47,62,63)(33,45,61,58)(35,48)(37,43)(39,41)(44,60,66,52)(55,68,59,65);(1,2)(3,4)(5,7,13,26)(6,14,19,43)(8,28,32,53)(9,24,35,23)(10,37,11,22)(12,39,34,25)(15,44,46,66)(16,41,36,56)(17,20,48,51)(18,49,38,42)(21,30,54,31)(27,40,57,64)(29,55,62,59)(33,52,61,60)(45,65,58,68)(47,50,63,67);(2,4)(5,8,9,29,34,61,10,30,13,32,35,62,12,33,11,31)(6,15,16,45,38,63,48,57,19,46,36,58,18,47,17,27)(7,21,22,52,39,59,23,53,26,54,37,60,25,55,24,28)(14,40,20,50,49,68,56,66,43,64,51,67,42,65,41,44)Polycyclic presentation:
2^9|a^2=g,b^2=i,c^2=d,d^2=hi,e^2=h,f^2=h,h^2=i,b^a=bd,c^a=ce,d^a=dh,e^a=eh,f^a=fhi,h^a=hi,c^b=cf,d^b=dh,e^b=ehi,f^b=fhi,h^b=hi,g^c=gi68 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 55702);