Finite Group DatabasebetaFinite Group Databasebeta| order | 512 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #7514000 |
| automorphism | ? |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C23×D4 |
| commutator, Frattini, cosocle | C22×C4 | C25 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C4×C22⋊Q8 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
2271 conjugacy classes of subgroups.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 20 points:
(5,6,9,12)(7,11,8,10)(14,18)(15,16)(19,20);(1,2)(3,4)(5,7,9,8)(6,10,12,11)(13,14)(16,19)(17,18);(5,7,9,8)(6,11,12,10)(13,15,17,20)(14,19,18,16);(2,4)(13,16)(14,15)(17,19)(18,20);(5,8,9,7)(6,11,12,10)(13,14,17,18)(15,19,20,16)Polycyclic presentation:
2^9|a^2=fi,b^2=fi,c^2=f,e^2=f,g^2=i,h^2=i,b^a=bf,c^a=cg,d^a=dgi,e^a=ef,g^a=gi,h^a=hi,c^b=cg,d^b=dh,e^b=ei,g^b=gi,h^b=hi,g^c=gi,h^c=hi,g^d=gi,h^d=hi71 conjugacy classes — view the full character table.
| maximal subgroup of | #72257247, #72257391, #72257619, … |
| maximal normal subgroup of | #72257247, #72257391, #72257619, … |
| maximal quotient of | #72264687, C2×#7520719, #72311348, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 7427915);