Finite Group DatabasebetaFinite Group Databasebeta| order | 512 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #150455 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×AΣL(1,𝔽16) |
| commutator | C2×C4⋊C4 | C22×C4 |
| Frattini, cosocle | #382 | C23 |
| prime radical | C22×D4 | C22⋊C4 |
| LCS | G ▷ C2×C4⋊C4 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C22×C4 ◁ C2×C42 ◁ C4×#124 ◁ G | |
| LECS | G ▷ #382 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1 | |
352 conjugacy classes of subgroups; only the 56 normal subgroups are shown.
This group has 352 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) = 64 |
A minimal faithful permutation representation — 3 generators on 40 points:
(2,6,7,8)(9,10)(11,19,22,37,23,34,20,38)(12,24,26,36)(13,18)(14,16)(15,21,30,40,31,25,35,39)(17,27,32,28)(29,33);(1,2)(3,6)(4,8)(5,7)(9,11,13,20,14,23,29,22)(10,15,18,35,16,31,33,30)(12,25,27,39,26,21,28,40)(17,34,24,38,32,19,36,37);(1,3,5,4)(2,6,7,8)(10,16)(11,20,23,22)(12,26)(15,30,31,35)(18,33)(19,37,34,38)(21,39,25,40)(27,28)Polycyclic presentation:
2^9|a^2=e,b^2=fh,c^2=g,d^2=gh,e^2=h,f^2=i,b^a=bd,c^a=ci,d^a=df,f^a=fh,c^b=cf,d^b=dg,e^b=efghi,f^b=fi,g^b=gi,h^b=hi,d^c=dhi,e^d=ehi,f^d=fi41 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 57750);