Finite Group Databasebeta
Cayley diagram

#124927

order512
nilpotency class4
isoclinismisoclinic class of #124861
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1558
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

276 conjugacy classes of subgroups; only the 72 normal subgroups are shown.

normal subgroups only

This group has 276 conjugacy classes of subgroups — too many to draw. Only its 72 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:

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

Polycyclic presentation:

2^9|a^2=e,b^2=g,c^2=fgh,d^2=gi,e^2=h,f^2=i,h^2=i,b^a=bd,c^a=cfh,d^a=df,f^a=fi,g^a=gi,d^b=dg,e^b=efg,f^b=fi,h^b=hi,e^c=ei

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, 32123);