Finite Group DatabasebetaFinite Group Databasebeta| order | 512 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #131160 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #1790 |
| commutator | C2×C22⋊C4 | C22×C4 |
| Frattini, cosocle | C2×#117 | C23 |
| prime radical | #42883 | C2 |
| LCS | G ▷ C2×C22⋊C4 ▷ C23 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C22×C4 ◁ C2×#117 ◁ G | |
| LECS | G ▷ C2×#117 ▷ C23 ▷ C2 ▷ C1 | |
812 conjugacy classes of subgroups; only the 98 normal subgroups are shown.
This group has 812 conjugacy classes of subgroups — too many to draw. Only its 98 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:
(1,2,4,6,5,8,3,7)(9,10)(11,18,22,34)(12,23,25,38)(13,17,27,29)(14,19)(15,21)(16,20)(24,37)(26,30)(28,40)(31,39,33,35)(32,36);(2,6)(3,4)(7,8)(9,11,14,22)(10,15,19,30)(12,20,25,36)(13,21,27,26)(16,28,32,37)(17,18,29,34)(23,31,38,33)(24,35,40,39);(9,12,14,25)(10,16,19,32)(11,20,22,36)(13,24,27,40)(15,28,30,37)(17,33,29,31)(18,23,34,38)(21,35,26,39)Polycyclic presentation:
2^9|a^2=f,b^2=i,c^2=i,d^2=h,f^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=eg,g^a=gi,d^b=dh,e^b=eg,f^b=fgh,d^c=dgi,f^c=fg,e^d=ei,f^d=fi,f^e=fi50 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 38537);