Finite Group DatabasebetaFinite Group Databasebeta| order | 512 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #19279 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C25×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C2×#121 |
| commutator | C42 | C23×C4 |
| Frattini, cosocle | C2×C42 | C24 |
| prime radical | C2×#3036 | C2 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
1608 conjugacy classes of subgroups.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 20 points:
(1,2)(3,4)(6,9)(7,10)(11,12)(13,14,16,18,17,19,15,20);(5,6,10,12,8,11,7,9)(14,18)(15,16)(19,20);(2,4)(6,11)(9,12)(14,18)(15,16)(19,20);(14,19)(18,20)Polycyclic presentation:
2^9|a^2=g,b^2=egh,e^2=hi,f^2=i,g^2=i,b^a=be,c^a=cf,d^a=di,e^a=eh,c^b=ch,e^b=ei,f^b=fi,g^b=gi,e^c=ei,f^c=fi,g^c=gi80 conjugacy classes — view the full character table.
| maximal subgroup of | #72310287, #72310288, #72310293, … |
| maximal normal subgroup of | #72310287, #72310288, #72310293, … |
| maximal quotient of | C2×#197791 |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 104987);