Finite Group DatabasebetaFinite Group Databasebeta| order | 512 |
| nilpotency class | 6 |
| isoclinism | isoclinic class of #7529 |
| automorphism | ? |
| homology | Abelianization (H1) = C42 · Schur multiplier (H2) = C22×C8 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #1408 |
| commutator | C4×C8 | C42 |
| Frattini, prime radical, cosocle | C2×#493 | C22 |
| LCS | G ▷ C4×C8 ▷ C42 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C23 ◁ C22×C4 ◁ C2×C42 ◁ C2×#493 ◁ G | |
| LECS | G ▷ C2×#493 ▷ C42 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1 | |
260 conjugacy classes of subgroups; only the 38 normal subgroups are shown.
This group has 260 conjugacy classes of subgroups — too many to draw. Only its 38 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 — 2 generators on 20 points:
(5,6)(7,12,15,11)(8,13,9,18)(10,14)(16,20,17,19);(1,2,3,4)(6,11,13,19,14,20,18,12)Polycyclic presentation:
2^9|a^2=d,b^2=e,c^2=gh,e^2=h,f^2=hi,g^2=i,b^a=bc,c^a=cf,e^a=egh,f^a=fg,g^a=gh,h^a=hi,d^b=dfg,d^c=dgh,e^d=eh,f^d=fhi,g^d=gi50 conjugacy classes — view the full character table.
| maximal subgroup of | #72309173, #72309179, #72309183 |
| maximal normal subgroup of | #72309173, #72309179, #72309183 |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 1991);