Finite Group DatabasebetaFinite Group Databasebeta| order | 512 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #150198 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C22×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 | #3449 | C4 |
| LCS | G ▷ C2×C4⋊C4 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C22×C4 ◁ C23×C4 ◁ #2285 ◁ G | |
| LECS | G ▷ #382 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1 | |
480 conjugacy classes of subgroups; only the 74 normal subgroups are shown.
This group has 480 conjugacy classes of subgroups — too many to draw. Only its 74 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:
(1,2)(3,5)(4,7)(6,8)(9,10)(11,20,21,36,23,37,28,35)(12,24)(13,26,27,33)(14,17)(15,19)(16,22,31,38,32,40,30,39)(18,25,34,29);(2,5)(3,8)(6,7)(9,11)(10,16)(12,21)(13,22)(14,28)(15,23)(17,30)(18,20)(19,32)(24,31)(25,38)(26,36)(27,40)(29,39)(33,35)(34,37);(9,12,15,14)(10,17,19,24)(11,21,23,28)(13,25,27,29)(16,30,32,31)(18,33,34,26)(20,35,37,36)(22,38,40,39)Polycyclic presentation:
2^9|a^2=e,c^2=i,d^2=g,e^2=h,f^2=i,b^a=bd,c^a=ci,d^a=df,f^a=fh,d^b=dg,e^b=efgi,f^b=fi,h^b=hi,e^d=ehi,f^d=fi50 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 57431);