Finite Group Databasebeta
Cayley diagram

#212926

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 radicalC2×#127C23
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C43 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

944 conjugacy classes of subgroups; only the 270 normal subgroups are shown.

normal subgroups only

This group has 944 conjugacy classes of subgroups — too many to draw. Only its 270 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:

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

Polycyclic presentation:

2^9|a^2=g,b^2=eh,c^2=fi,d^2=g,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#72221441, C4×#19745, #72258294
maximal normal subgroup ofC4×#19745, #72258294
maximal quotient of#72221441, #72242467

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 120122);