Finite Group Databasebeta
Cayley diagram

#193011

order512
nilpotency class3
isoclinismisoclinic class of #18810
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×#120
commutatorC42C23×C4
Frattini, cosocleC2×C42C24
socleC22C2×#385
prime radicalC2×#121Q8
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

867 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 128

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

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

Polycyclic presentation:

2^9|a^2=g,b^2=g,e^2=h,f^2=i,g^2=hi,b^a=be,c^a=cf,d^a=dhi,e^a=eh,f^a=fi,d^b=dh,e^b=eh,f^b=fi,d^c=dh,e^c=ei,f^c=fi

Conjugacy classes & character table

74 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 100207);