Finite Group DatabasebetaFinite Group Databasebeta| order | 512 |
| nilpotency class | 6 |
| isoclinism | isoclinic class of #94654 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C4 · Schur multiplier (H2) = C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #1409 |
| commutator | C2×C4×C8 | C2×C4 |
| Frattini, cosocle | #1956 | C22 |
| prime radical | C23 | #353 |
| LCS | G ▷ C2×C4×C8 ▷ C2×C42 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C23 ◁ C22×C4 ◁ C2×C42 ◁ #1956 ◁ G | |
| LECS | G ▷ #1956 ▷ C2×C42 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1 | |
145 conjugacy classes of subgroups; only the 26 normal subgroups are shown.
This group has 145 conjugacy classes of subgroups — too many to draw. Only its 26 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) = 64 |
A minimal faithful permutation representation — 2 generators on 40 points:
(2,5,6,7)(9,10,12,17,13,19,25,34)(11,20,22,35,23,36,38,30)(14,18,28,16,27,32,26,33)(15,24,29,37,31,39,40,21);(1,2)(3,7)(4,6)(5,8)(9,11,14,24,13,23,27,39)(10,15,19,31)(12,21,26,38,25,37,28,22)(16,20,33,36)(17,29,34,40)(18,30,32,35)Polycyclic presentation:
2^9|a^2=d,b^2=egh,c^2=fghi,d^2=i,e^2=hi,g^2=i,b^a=bc,c^a=ce,e^a=eg,g^a=gh,h^a=hi,c^b=cf,d^b=defgi,d^c=dgh,e^d=ehi,g^d=gi38 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 1920);