Finite Group Databasebeta
Cayley diagram

#130765

order512
nilpotency class4
isoclinismisoclinic class of #130498
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1781
commutatorC2×C42C22×C4
Frattini, cosocleC2×C4×Q8C23
prime radicalC2×#550C4
LCSG ▷ C2×C42 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×D4×Q8 ◁ G
LECSG ▷ C2×C4×Q8 ▷ C23 ▷ C2 ▷ C1

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

normal subgroups only

This group has 872 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) = 128

A minimal faithful permutation representation — 3 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=f,c^2=i,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, 37961);