Finite Group Databasebeta
Cayley diagram

#125426

order512
nilpotency class4
isoclinismisoclinic class of #125425
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1555
commutatorC2×C42C22×C4
Frattini, cosocleC2×C4×C8C23
prime radicalC23C2×#100
LCSG ▷ C2×C42 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C4×#97 ◁ G
LECSG ▷ C2×C4×C8 ▷ C22×C4 ▷ C2 ▷ C1

304 conjugacy classes of subgroups; only the 66 normal subgroups are shown.

normal subgroups only

This group has 304 conjugacy classes of subgroups — too many to draw. Only its 66 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:

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

Polycyclic presentation:

2^9|a^2=e,b^2=i,c^2=fg,d^2=g,e^2=h,f^2=i,h^2=i,b^a=bd,c^a=cg,d^a=df,f^a=fi,g^a=gi,c^b=ch,d^b=dg,e^b=efgi,f^b=fi,h^b=hi,e^c=ei

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, 32622);