Finite Group Databasebeta
Cayley diagram

#131485

order512
nilpotency class4
isoclinismisoclinic class of #12155
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4B(4,𝔽2)
commutatorC2×C4⋊C4C22×C4
Frattini, cosocleC2×#117C23
socleC22#1790
prime radicalC24#120
LCSG ▷ C2×C4⋊C4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C4 ◁ C2×#117 ◁ G
LECSG ▷ C2×#117 ▷ C23 ▷ C2 ▷ C1

546 conjugacy classes of subgroups; only the 98 normal subgroups are shown.

normal subgroups only

This group has 546 conjugacy classes of subgroups — too many to draw. Only its 98 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 — 3 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=f,b^2=h,c^2=g,d^2=h,e^2=i,f^2=hi,b^a=bd,c^a=ce,d^a=dg,e^a=eg,g^a=gi,c^b=ci,d^b=dh,e^b=eg,f^b=fgh,d^c=dgi,f^c=fgi,e^d=ei,f^d=fi,f^e=fi

Conjugacy classes & character table

50 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 38681);