Finite Group DatabasebetaFinite Group Databasebeta| order | 512 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #126439 |
| automorphism | ? |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #1613 |
| commutator, Frattini, cosocle | C2×#97 | C23 |
| prime radical | C23 | #450 |
| LCS | G ▷ C2×#97 ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C22×C4 ◁ C2×#97 ◁ G | |
| LECS | G ▷ C2×#97 ▷ C22×C4 ▷ C2 ▷ C1 | |
273 conjugacy classes of subgroups; only the 52 normal subgroups are shown.
This group has 273 conjugacy classes of subgroups — too many to draw. Only its 52 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:
(2,6)(3,4)(7,8)(9,10,15,21,16,23,14,22)(11,24,27,38,12,28,26,39)(13,30,33,20,34,40,32,19)(17,31,35,25,18,37,36,29);(1,2)(3,6)(4,8)(5,7)(9,11,16,12)(10,17)(13,31,34,37)(14,27,15,26)(18,23)(19,38)(20,39)(21,36)(22,35)(24,30)(25,33,29,32)(28,40);(1,3,5,4)(2,6,7,8)(9,12,16,11)(10,18)(13,31,34,37)(14,26,15,27)(17,23)(19,39)(20,38)(21,35)(22,36)(24,40)(25,33,29,32)(28,30)Polycyclic presentation:
2^9|a^2=g,b^2=gh,c^2=fgi,d^2=f,e^2=h,f^2=i,g^2=i,h^2=i,b^a=bd,c^a=ce,d^a=df,e^a=eh,f^a=fi,h^a=hi,d^b=df,e^b=egi,f^b=fi,g^b=gi,h^b=hi,d^c=dg,e^c=eh,f^c=fi,g^c=gi,h^c=hi,e^d=ei41 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 33650);