| order | 512 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #240694 |
| automorphism | ? |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×#394 |
| commutator, Frattini, cosocle | C2×C42 | C24 |
| prime radical | #3444 | C22 |
| LCS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
770 conjugacy classes of subgroups.
| minimal degree | μ(G) = 64 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 64 points:
(1,2)(3,12)(4,16)(5,10)(6,21)(7,11)(8,14)(9,19)(13,28)(15,24)(17,32)(18,27)(20,26)(22,25)(23,30)(29,31)(33,34)(35,39)(36,46)(37,49)(38,42)(40,48)(41,52)(43,60)(44,58)(45,55)(47,59)(50,54)(51,57)(53,62)(56,63)(61,64);(1,3)(2,8)(4,17)(5,14)(6,22)(7,15)(9,23)(10,24)(11,25)(12,21)(13,19)(16,31)(18,30)(20,29)(26,28)(27,32)(33,35,38,45)(34,39,42,55)(36,43,47,61)(37,50,52,44)(40,56,57,53)(41,58,49,54)(46,60,59,64)(48,63,51,62);(1,4,6,18,7,19,5,20)(2,9,10,27,11,16,21,26)(3,13,14,30,15,17,22,29)(8,23,12,28,25,31,24,32)(33,36)(34,40)(35,43)(37,51)(38,47)(39,53)(41,59)(42,57)(44,63)(45,61)(46,49)(48,52)(50,62)(54,64)(55,56)(58,60);(1,5,7,6)(2,10,11,21)(3,14,15,22)(4,18,19,20)(8,24,25,12)(9,26,16,27)(13,29,17,30)(23,28,31,32)(36,47)(40,57)(43,61)(46,59)(48,51)(53,56)(60,64)(62,63)Polycyclic presentation:
2^9|b^2=i,c^2=e,d^2=h,e^2=h,f^2=i,b^a=be,c^a=cf,e^a=eh,f^a=fi,g^a=ghi,c^b=cg,e^b=eh,f^b=fhi,d^c=dhi,f^c=fhi,g^c=gh50 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 147895);