Finite Group Databasebeta
Cayley diagram

#244178

order512
nilpotency class3
isoclinismisoclinic class of #232809
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×#127
commutator, Frattini, cosocleC2×C42C24
socleC22#2397
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C4×C8 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

750 conjugacy classes of subgroups; only the 146 normal subgroups are shown.

normal subgroups only

This group has 750 conjugacy classes of subgroups — too many to draw. Only its 146 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 — 4 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=e,d^2=efh,e^2=h,f^2=i,b^a=be,c^a=cf,d^a=dh,g^a=ghi,c^b=cg,d^b=di,e^b=eh,f^b=fh,d^c=dh,e^c=ei,f^c=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, 151374);