Finite Group Databasebeta
Cayley diagram

#135398

order512
nilpotency class4
isoclinismisoclinic class of #124937
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1533
commutatorC2×C42C22×C4
Frattini, cosocleC2×#97C23
prime radicalC24#100
LCSG ▷ C2×C42 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×C4×M16 ◁ G
LECSG ▷ C2×#97 ▷ C2×C4 ▷ C2 ▷ C1

332 conjugacy classes of subgroups; only the 78 normal subgroups are shown.

normal subgroups only

This group has 332 conjugacy classes of subgroups — too many to draw. Only its 78 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 40 points:

(1,2)(3,6)(4,5)(7,8)(9,10,13,17,14,20,12,26,15,18,28,35,30,19,27,36)(11,21,23,31,24,32,38,40,25,16,29,33,39,34,22,37);(2,5)(6,8)(9,11)(10,16)(12,22)(13,29)(14,24)(15,25)(17,31)(18,21)(19,32)(20,34)(23,28)(26,40)(27,38)(30,39)(33,35)(36,37);(1,3,4,7)(2,6,5,8)(9,12)(10,17,18,35)(11,22)(13,14)(15,27)(16,31,21,33)(19,26,20,36)(23,39)(24,29)(25,38)(28,30)(32,40,34,37)

Polycyclic presentation:

2^9|a^2=f,c^2=d,e^2=hi,f^2=g,g^2=i,b^a=bd,c^a=ce,d^a=di,e^a=eg,h^a=hi,f^b=fi,e^c=eh,f^c=fgh,g^c=gi,f^e=fi

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 42594);