Finite Group Databasebeta
Cayley diagram

#130882

order512
nilpotency class4
isoclinismisoclinic class of #130498
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1781
commutatorC2×C42C22×C4
Frattini, cosocleC2×C4×Q8C23
prime radicalC23#379
LCSG ▷ C2×C42 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×#557 ◁ G
LECSG ▷ C2×C4×Q8 ▷ C23 ▷ C2 ▷ C1

611 conjugacy classes of subgroups; only the 90 normal subgroups are shown.

normal subgroups only

This group has 611 conjugacy classes of subgroups — too many to draw. Only its 90 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

47 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 38078);