Finite Group Databasebeta
Cayley diagram

#149955

order512
nilpotency class5
isoclinismisoclinic class of #149889
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×AΣL(1,𝔽16)
commutatorC22×Q8C22×C4
Frattini, cosocle#391C23
prime radical#3497C4
LCSG ▷ C22×Q8 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×C42 ◁ C4×C4⋊Q8 ◁ G
LECSG ▷ #391 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1

431 conjugacy classes of subgroups; only the 58 normal subgroups are shown.

normal subgroups only

This group has 431 conjugacy classes of subgroups — too many to draw. Only its 58 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) = 24
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 24 points:

(1,2,4,8,5,6,3,7)(9,10,12,16,14,11,18,20)(13,17,23,15,24,21,22,19);(2,6)(3,4)(9,11)(10,14)(12,15)(13,17)(16,23)(18,19)(20,22)(21,24);(1,3,5,4)(2,7,6,8)

Polycyclic presentation:

2^9|a^2=e,c^2=gi,d^2=i,e^2=g,f^2=i,b^a=bd,d^a=df,f^a=fh,h^a=hi,c^b=cgi,d^b=di,e^b=ef,f^b=fi,h^b=hi,e^d=ehi,f^d=fi,f^e=fi

Conjugacy classes & character table

47 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 57151);