Finite Group Databasebeta
Cayley diagram

#94337

order512
nilpotency class5
isoclinismisoclinic class of #7440
automorphism?
homologyAbelianization (H1) = C42 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1353
commutatorC2×M16C42
Frattini, cosocleC2×#423C22
prime radicalC24#104
LCSG ▷ C2×M16 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C23×C4 ◁ C2×#423 ◁ G
LECSG ▷ C2×#423 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1

296 conjugacy classes of subgroups; only the 62 normal subgroups are shown.

normal subgroups only

This group has 296 conjugacy classes of subgroups — too many to draw. Only its 62 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) = 20
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 2 generators on 20 points:

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

Polycyclic presentation:

2^9|a^2=d,b^2=e,c^2=f,d^2=i,e^2=h,f^2=i,b^a=bc,c^a=cf,e^a=efgi,f^a=fi,h^a=hi,c^b=cg,d^b=di,f^b=fi,g^b=gh,e^c=eh,g^c=gi

Conjugacy classes & character table

50 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 1533);