Finite Group Databasebeta
Cayley diagram

#512999

order512
nilpotency class5
isoclinismisoclinic class of #13661
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×D16
commutator, Frattini, cosocleC2×C16C24
socleC22C22×D16
prime radical#13661C2
LCSG ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C2×C4×C8 ◁ C2×C4×C16 ◁ G
LECSG ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1

389 conjugacy classes of subgroups; only the 118 normal subgroups are shown.

normal subgroups only

This group has 389 conjugacy classes of subgroups — too many to draw. Only its 118 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) = 128

A minimal faithful permutation representation — 4 generators on 40 points:

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

Polycyclic presentation:

2^9|d^2=ei,f^2=gh,g^2=hi,h^2=i,b^a=be,c^a=cf,f^a=fg,g^a=gh,h^a=hi,f^c=fg,g^c=gh,h^c=hi

Conjugacy classes & character table

98 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72322373, #72322380, #72322435
maximal normal subgroup of#72322373, #72322380, #72322435

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 420195);