Finite Group DatabasebetaFinite Group Databasebeta| order | 512 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #149889 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×AΣL(1,𝔽16) |
| commutator | C22×Q8 | C22×C4 |
| Frattini, cosocle | C2×#124 | C23 |
| prime radical | #23910 | C2 |
| LCS | G ▷ C22×Q8 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C24 ◁ C23×C4 ◁ C22×#124 ◁ G | |
| LECS | G ▷ C2×#124 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1 | |
690 conjugacy classes of subgroups; only the 70 normal subgroups are shown.
This group has 690 conjugacy classes of subgroups — too many to draw. Only its 70 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 3 generators on 20 points:
(1,2)(3,4)(6,10,12,16,14,19,13,20)(7,15,11,17);(5,6,11,20)(7,16,9,14)(8,12,15,10)(13,17,19,18);(2,4)Polycyclic presentation:
2^9|a^2=f,b^2=dfh,d^2=i,f^2=h,g^2=i,b^a=bd,c^a=ce,d^a=dg,g^a=gh,d^b=dg,f^b=fg,g^b=gh,h^b=hi,f^d=fhi,g^d=gi47 conjugacy classes — view the full character table.
| maximal subgroup of | #72284394 |
| maximal normal subgroup of | #72284394 |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 59890);