| order | 512 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #124681 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C22 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #1514 |
| commutator | C22×C8 | C22×C4 |
| Frattini, cosocle | C2×#97 | C23 |
| prime radical | C23 | #418 |
| LCS | G ▷ C22×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C22×C4 ◁ C4×#97 ◁ G | |
| LECS | G ▷ C2×#97 ▷ C22×C4 ▷ C2 ▷ C1 | |
283 conjugacy classes of subgroups; only the 68 normal subgroups are shown.
This group has 283 conjugacy classes of subgroups — too many to draw. Only its 68 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 3 generators on 40 points:
(2,5,6,7)(9,10,13,20,15,22,30,19,16,21,31,37,14,18,12,29)(11,23,25,35,27,39,24,36,28,38,40,17,26,34,32,33);(1,2)(3,7)(4,6)(5,8)(9,11,16,28)(10,17,21,35)(12,25,30,40)(13,32,31,24)(14,27,15,26)(18,33,22,36)(19,34,29,39)(20,23,37,38);(10,18,21,22)(12,30)(13,31)(17,33,35,36)(19,37,29,20)(23,34,38,39)(24,32)(25,40)Polycyclic presentation:
2^9|a^2=e,b^2=i,c^2=f,d^2=gi,e^2=h,g^2=i,h^2=i,b^a=bd,c^a=ch,d^a=df,f^a=fi,d^b=dg,e^b=efg,g^b=gi,h^b=hi,d^c=di,e^c=ei,e^d=ei56 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 31878);