| order | 512 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #137661 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C26 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #1893 |
| commutator | C22×C8 | C22×C4 |
| Frattini, cosocle | C23×C8 | C23 |
| prime radical | C22×#41 | D4 |
| LCS | G ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C23×C4 ◁ C22×#131 ◁ G | |
| LECS | G ▷ C23×C8 ▷ C4 ▷ C2 ▷ C1 | |
1006 conjugacy classes of subgroups.
| minimal degree | μ(G) = 68 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 3 generators on 68 points:
(1,2)(3,4)(5,6,10,16,11,15,34,17)(7,18,21,42,22,48,33,49)(8,23,25,46,27,13,26,41)(9,28,31,14,32,45,64,44)(12,29,37,20,36,56,38,57)(19,50,52,67,54,47,53,68)(24,58,60,40,30,63,61,43)(35,62,65,51,39,59,66,55);(5,7,11,22)(6,12,15,36)(8,19,27,54)(9,29,32,56)(10,33,34,21)(13,39,23,35)(14,42,44,49)(16,38,17,37)(18,28,48,45)(20,31,57,64)(24,59,30,62)(25,53,26,52)(40,67,43,68)(41,65,46,66)(47,63,50,58)(51,61,55,60);(2,4)(5,8)(6,13)(7,19)(9,30)(10,26)(11,27)(12,35)(14,43)(15,23)(16,46)(17,41)(18,47)(20,55)(21,53)(22,54)(24,32)(25,34)(28,58)(29,62)(31,60)(33,52)(36,39)(37,66)(38,65)(40,44)(42,67)(45,63)(48,50)(49,68)(51,57)(56,59)(61,64)Polycyclic presentation:
2^9|a^2=g,b^2=i,d^2=h,g^2=i,h^2=i,b^a=bd,c^a=ce,d^a=dh,e^a=ei,f^a=fi,h^a=hi,c^b=cf,d^b=dhi,g^b=gi,h^b=hi,d^c=di,g^c=gi68 conjugacy classes — view the full character table.
| maximal subgroup of | #72281756, #72281903, #72282164 |
| maximal normal subgroup of | #72281756, #72281903, #72282164 |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 54837);