Finite Group DatabasebetaFinite Group Databasebeta| order | 512 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #153117 |
| automorphism | ? |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #2196 |
| commutator, Frattini, cosocle | C2×#127 | C23 |
| prime radical | #30484 | C2 |
| LCS | G ▷ C2×#127 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C23 ◁ C22×C4 ◁ C2×#127 ◁ G | |
| LECS | G ▷ C2×#127 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1 | |
495 conjugacy classes of subgroups; only the 48 normal subgroups are shown.
This group has 495 conjugacy classes of subgroups — too many to draw. Only its 48 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 3 generators on 20 points:
(2,3)(5,6)(7,10)(8,11)(9,13)(12,17)(14,18)(15,19)(16,20);(1,2)(3,4)(5,7)(6,10)(8,14)(9,16)(11,18)(12,19)(13,20)(15,17);(1,3,4,2)(10,18)(14,15)(19,20)Polycyclic presentation:
2^9|c^2=d,e^2=h,g^2=i,b^a=bd,c^a=ce,e^a=eh,f^a=fgh,g^a=gi,c^b=cf,e^b=eg,g^b=gi,h^b=hi,e^c=eh,g^c=gh,f^e=fh,g^f=gi41 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 60481);