| order | 512 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #499054 |
| automorphism | ? |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C26 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×#481 |
| commutator, Frattini, cosocle | C22×C8 | C24 |
| prime radical | C22×#41 | D4 |
| LCS | G ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C23×C4 ◁ C22×#131 ◁ G | |
| LECS | G ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1 | |
1048 conjugacy classes of subgroups.
| minimal degree | μ(G) = 68 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 68 points:
(5,6,12,18)(7,19,21,40)(8,25,30,60)(9,17,11,15)(10,32,36,46)(13,24,38,22)(14,41,45,28)(16,31,49,35)(20,52,53,66)(23,39,33,47)(26,61,54,65)(27,48,29,59)(34,43,62,44)(37,57,64,63)(42,55,50,68)(51,56,67,58);(1,2)(3,4)(5,7,11,24,12,21,9,22)(6,13,17,40,18,38,15,19)(8,26,27,20,30,54,29,53)(10,33,35,56,36,23,31,58)(14,42,43,37,45,50,44,64)(16,47,32,51,49,39,46,67)(25,52,59,61,60,66,48,65)(28,63,62,68,41,57,34,55);(2,4)(5,8,9,27,12,30,11,29)(6,14,15,43,18,45,17,44)(7,20,22,54,21,53,24,26)(10,34,31,28,36,62,35,41)(13,37,19,50,38,64,40,42)(16,48,46,25,49,59,32,60)(23,57,56,55,33,63,58,68)(39,66,51,65,47,52,67,61);(7,21)(13,38)(19,40)(20,53)(22,24)(23,33)(26,54)(37,64)(39,47)(42,50)(51,67)(52,66)(55,68)(56,58)(57,63)(61,65)Polycyclic presentation:
2^9|a^2=i,b^2=h,c^2=e,e^2=i,f^2=hi,g^2=i,h^2=i,b^a=be,c^a=cf,e^a=ei,f^a=fh,g^a=gi,h^a=hi,c^b=cg,d^b=di,f^b=fi,f^c=fhi,g^c=gi,h^c=hi68 conjugacy classes — view the full character table.
| maximal subgroup of | #72281854, #72281975, #72282164 |
| maximal normal subgroup of | #72281854, #72281975, #72282164 |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 406251);