| order | 512 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #135683 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C8 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #1834 |
| commutator | C4×C8 | C22×C4 |
| Frattini, cosocle | C2×C4×C8 | C23 |
| prime radical | C23 | #487 |
| LCS | G ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ C2×C82 ◁ G | |
| LECS | G ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
185 conjugacy classes of subgroups; only the 90 normal subgroups are shown.
This group has 185 conjugacy classes of subgroups — too many to draw. Only its 90 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 64 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 3 generators on 64 points:
(1,2)(3,11,15,7)(4,16,18,31)(5,10)(6,9)(8,17,22,26)(12,19)(13,27)(14,24,25,21)(20,28)(23,32)(29,30)(33,34,39,46,41,48,40,47)(35,49,52,60,54,63,53,43)(36,55,51,62,57,61,56,42)(37,45,38,44,50,64,58,59);(1,3,12,25,6,15,5,14)(2,7,19,24,9,11,10,21)(4,13,26,32,18,29,17,28)(8,20,31,27,22,23,16,30)(33,35,50,56,39,53,58,57,41,54,37,51,40,52,38,36)(34,42,59,63,47,55,64,43,48,62,44,49,46,61,45,60);(1,4,6,18)(2,8)(3,13,15,29)(5,17,12,26)(7,20)(9,22)(10,16)(11,23)(14,28,25,32)(19,31)(21,30)(24,27)(33,36,38,52,40,51,37,54,41,57,58,53,39,56,50,35)(34,43,45,55,46,63,44,42,48,60,64,61,47,49,59,62)Polycyclic presentation:
2^9|a^2=f,b^2=eg,c^2=dg,d^2=hi,e^2=gi,f^2=i,g^2=i,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=eh,g^a=gi,h^a=hi,f^b=fghi,f^c=fghi92 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 42895);