| 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 | #135 |
| LCS | G ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C23×C4 ◁ C2×#405 ◁ G | |
| LECS | G ▷ C23×C8 ▷ C4 ▷ C2 ▷ C1 | |
672 conjugacy classes of subgroups.
| minimal degree | μ(G) = 68 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 3 generators on 68 points:
(2,4)(5,6,10,16,11,18,35,17)(7,12,21,39,23,40,22,51)(8,24,27,47,28,42,34,50)(9,29,32,14,33,48,56,15)(13,31,43,26,45,63,44,64)(19,52,53,67,55,41,54,66)(20,49,30,38,59,46,58,37)(25,60,57,68,62,36,61,65);(1,2,3,4)(5,7)(6,12)(8,25)(9,30)(10,21)(11,23)(13,41)(14,46)(15,49)(16,39)(17,51)(18,40)(19,26)(20,56)(22,35)(24,60)(27,57)(28,62)(29,38)(31,54)(32,59)(33,58)(34,61)(36,42)(37,48)(43,66)(44,67)(45,52)(47,68)(50,65)(53,63)(55,64);(5,8,11,28)(6,13,18,45)(7,19,23,55)(9,31,33,63)(10,34,35,27)(12,36,40,60)(14,47,15,50)(16,44,17,43)(20,57,59,61)(21,54,22,53)(24,29,42,48)(25,58,62,30)(26,32,64,56)(37,66,38,67)(39,68,51,65)(41,46,52,49)Polycyclic presentation:
2^9|a^2=g,b^2=d,c^2=i,e^2=h,f^2=h,g^2=i,h^2=i,b^a=bd,c^a=ce,e^a=eh,f^a=fhi,h^a=hi,c^b=cf,e^b=ehi,f^b=fhi,h^b=hi,e^c=ehi,f^c=fhi,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, 55305);