Finite Group Databasebeta
Cayley diagram

#137655

order512
nilpotency class4
isoclinismisoclinic class of #137655
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1893
commutatorC22×C8C22×C4
Frattini, cosocleC2×C4×C8C23
prime radicalC2×#472C4
LCSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ C4×#131 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 386 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfg,d^2=gi,e^2=i,f^2=h,g^2=i,b^a=bd,c^a=ce,d^a=dg,g^a=gi,c^b=ch,e^b=ei,d^c=di,e^c=ei,f^c=fi

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72320774, #72321061, #72321106
maximal normal subgroup of#72320774, #72321061, #72321106

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 44851);