Finite Group Databasebeta
Cayley diagram

#150366

order512
nilpotency class5
isoclinismisoclinic class of #150220
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#2127
commutatorC2×C42C22×C4
Frattini, cosocle#391C23
prime radicalC22×D4C22⋊C4
LCSG ▷ C2×C42 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23 ◁ C2×C42 ◁ #2326 ◁ G
LECSG ▷ #391 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1

270 conjugacy classes of subgroups; only the 54 normal subgroups are shown.

normal subgroups only

This group has 270 conjugacy classes of subgroups — too many to draw. Only its 54 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 — 3 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=e,b^2=h,c^2=gh,d^2=gi,e^2=i,f^2=i,b^a=bd,d^a=df,f^a=fh,g^a=gi,h^a=hi,c^b=ch,d^b=dg,e^b=efg,f^b=fi,d^c=di,e^d=ehi,f^e=fi

Conjugacy classes & character table

44 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 57562);