Finite Group Databasebeta
Cayley diagram

#150250

order512
nilpotency class5
isoclinismisoclinic class of #150243
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#357
commutatorC2×C16C22×C4
Frattini, cosocleC22×C16C23
prime radicalC2×#2215C2
LCSG ▷ C2×C16 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ C23×C8 ◁ C23×C16 ◁ G
LECSG ▷ C22×C16 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

331 conjugacy classes of subgroups; only the 84 normal subgroups are shown.

normal subgroups only

This group has 331 conjugacy classes of subgroups — too many to draw. Only its 84 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)(3,7,8,5)(4,6)(9,10,11,18,16,22,15,33)(12,26,23,37,30,17,29,34)(13,31,24,21,14,32,25,20)(19,38,35,27,39,40,36,28);(1,3)(2,5)(4,8)(6,7)(10,17)(11,15)(12,27)(13,25)(14,24)(18,37)(19,21)(20,39)(22,26)(23,38)(28,30)(29,40)(31,35)(32,36)(33,34);(9,11,16,15)(10,18,22,33)(12,23,30,29)(13,24,14,25)(17,34,26,37)(19,35,39,36)(20,31,21,32)(27,40,28,38)

Polycyclic presentation:

2^9|a^2=e,c^2=i,d^2=gh,e^2=i,f^2=hi,g^2=hi,h^2=i,b^a=bd,d^a=df,f^a=fh,g^a=gh,h^a=hi,c^b=ci,d^b=dg,e^b=efgh,f^b=fh,g^b=gh,h^b=hi

Conjugacy classes & character table

74 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 57446);