Finite Group Databasebeta
Cayley diagram

#191531

order512
nilpotency class3
isoclinismisoclinic class of #19745
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C23×C8

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C2×#127
commutatorC42C23×C4
Frattini, cosocleC2×C42C24
prime radicalC24#127
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

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

normal subgroups only

This group has 920 conjugacy classes of subgroups — too many to draw. Only its 386 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) = 256

A minimal faithful permutation representation — 4 generators on 20 points:

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

Polycyclic presentation:

2^9|a^2=g,b^2=e,c^2=f,e^2=h,f^2=i,b^a=be,c^a=cf,e^a=eh,f^a=fi,d^b=dh,d^c=di

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72221445, C4×#19745, #72258315
maximal normal subgroup ofC4×#19745, #72258315
maximal quotient of#72221445, #72242467

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 98727);