Finite Group Databasebeta
Cayley diagram

#150555

order512
nilpotency class5
isoclinismisoclinic class of #150455
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×AΣL(1,𝔽16)
commutatorC2×C4⋊C4C22×C4
Frattini, cosocle#382C23
prime radicalC22×D4C22⋊C4
LCSG ▷ C2×C4⋊C4 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×C42 ◁ C4×#124 ◁ G
LECSG ▷ #382 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1

347 conjugacy classes of subgroups; only the 56 normal subgroups are shown.

normal subgroups only

This group has 347 conjugacy classes of subgroups — too many to draw. Only its 56 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) = 64

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

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

Polycyclic presentation:

2^9|a^2=e,b^2=fh,c^2=gi,d^2=gh,e^2=h,f^2=i,b^a=bd,c^a=ci,d^a=df,f^a=fh,c^b=cf,d^b=dg,e^b=efghi,f^b=fi,g^b=gi,h^b=hi,d^c=dhi,e^d=ehi,f^d=fi

Conjugacy classes & character table

41 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 57751);