Finite Group DatabasebetaFinite Group Databasebeta| order | 512 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #133350 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #1790 |
| commutator | C22×D4 | C22×C4 |
| Frattini, cosocle | C22×#41 | C23 |
| prime radical | C2×#535 | C22 |
| LCS | G ▷ C22×D4 ▷ C23 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C22×C4 ◁ C22×#41 ◁ G | |
| LECS | G ▷ C22×#41 ▷ C23 ▷ C2 ▷ C1 | |
866 conjugacy classes of subgroups; only the 82 normal subgroups are shown.
This group has 866 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) = 64 |
A minimal faithful permutation representation — 3 generators on 40 points:
(1,2)(3,7,8,5)(4,6)(9,10)(11,20)(12,24,26,17)(13,16)(14,19)(15,21,32,39)(18,28)(22,35)(23,37)(25,33,29,34)(27,36)(30,38,31,40);(1,3)(2,5)(4,8)(6,7)(9,11,14,23)(10,15,19,32)(12,21,26,39)(13,27,28,22)(16,30,18,31)(17,20,24,37)(25,40,29,38)(33,36,34,35);(10,16)(13,28)(15,30)(17,34)(18,19)(20,35)(22,27)(24,33)(25,29)(31,32)(36,37)(38,40)Polycyclic presentation:
2^9|a^2=f,b^2=i,e^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=ei,g^a=gi,h^a=hi,e^b=ehi,f^b=fg,d^c=dh,e^c=ei,e^d=ei,f^d=fi44 conjugacy classes — view the full character table.
| maximal subgroup of | #72302977, #72303269, #72303277, … |
| maximal normal subgroup of | #72302977, #72303269, #72303277, … |
| maximal quotient of | #72339619 |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 40547);