Finite Group DatabasebetaFinite Group Databasebeta| order | 512 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #132185 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #1781 |
| commutator | C23×C4 | C22×C4 |
| Frattini, cosocle | C2×C4×D4 | C23 |
| prime radical | C2×#555 | C22 |
| LCS | G ▷ C23×C4 ▷ C23 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C22×C4 ◁ C2×#555 ◁ G | |
| LECS | G ▷ C2×C4×D4 ▷ C23 ▷ C2 ▷ C1 | |
660 conjugacy classes of subgroups; only the 82 normal subgroups are shown.
This group has 660 conjugacy classes of subgroups — too many to draw. Only its 82 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:
(2,5,6,7)(9,10)(11,19)(12,23)(13,27,28,17)(14,18)(15,21,30,36)(16,25,32,40)(20,29)(22,34)(24,31)(26,38)(33,35,37,39);(1,2)(3,7)(4,6)(5,8)(9,11,14,22)(10,15,18,30)(12,24,26,20)(13,21,28,36)(16,31,32,29)(17,19,27,34)(23,37,38,33)(25,39,40,35);(3,8)(5,7)(9,12,14,26)(10,16,18,32)(11,20,22,24)(13,25,28,40)(15,29,30,31)(17,23,27,38)(19,33,34,37)(21,35,36,39)Polycyclic presentation:
2^9|a^2=f,b^2=i,c^2=i,d^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=eg,g^a=gi,c^b=ci,d^b=dh,e^b=eh,f^b=fgh,d^c=dh,f^c=fg,f^d=fi,f^e=fi44 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 39384);