| order | 512 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #126283 |
| automorphism | ? |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C23 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #1613 |
| commutator, Frattini, cosocle | C2×#97 | C23 |
| prime radical | C22×D4 | SD16 |
| LCS | G ▷ C2×#97 ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C22×C4 ◁ C2×#97 ◁ G | |
| LECS | G ▷ C2×#97 ▷ C22×C4 ▷ C2 ▷ C1 | |
391 conjugacy classes of subgroups; only the 56 normal subgroups are shown.
This group has 391 conjugacy classes of subgroups — too many to draw. Only its 56 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:
(1,2,4,7)(3,5,8,6)(9,10,15,21,17,22,16,20)(11,23,26,38,12,28,27,40)(13,29,31,19,14,33,32,39)(18,30,36,24,37,34,35,25);(2,5)(3,8)(6,7)(9,11,17,12)(10,18,22,37)(13,30,14,34)(15,27,16,26)(19,38,39,40)(20,36,21,35)(23,29,28,33)(24,31,25,32);(9,12,17,11)(10,18,22,37)(13,30,14,34)(15,26,16,27)(19,38,39,40)(20,36,21,35)(23,29,28,33)(24,31,25,32)Polycyclic presentation:
2^9|a^2=fgh,b^2=i,c^2=i,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=dfi,e^b=egi,f^b=fi,g^b=gi,h^b=hi,d^c=dg,e^c=ehi,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, 33668);