Finite Group Databasebeta
Cayley diagram

#150364

order512
nilpotency class5
isoclinismisoclinic class of #150220
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#2127
commutatorC2×C42C22×C4
Frattini, cosocle#390C23
prime radicalC22×D4C2×D4
LCSG ▷ C2×C42 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23 ◁ C2×C42 ◁ #2326 ◁ G
LECSG ▷ #390 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1

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

normal subgroups only

This group has 278 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)(11,20,23,31)(12,16)(13,18,28,17)(14,19)(15,22,30,27)(21,35,36,40)(24,37,38,29)(25,33)(26,32,39,34);(1,2)(3,6)(4,8)(5,7)(9,11)(10,15,19,31)(12,24)(13,27)(14,22)(16,29,33,40)(17,20,18,30)(21,25)(23,28)(26,36)(32,37,34,35)(38,39);(1,3,5,4)(2,6,7,8)(9,12)(10,16)(11,21)(13,26)(14,25)(15,29)(17,34)(18,32)(19,33)(20,35)(22,24)(23,36)(27,38)(28,39)(30,37)(31,40)

Polycyclic presentation:

2^9|a^2=e,b^2=hi,c^2=gh,d^2=gi,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, 57560);