Finite Group Databasebeta
Cayley diagram

#227052

order512
nilpotency class3
isoclinismisoclinic class of #20022
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23D42
commutatorC42C23×C4
Frattini, cosocleC2×C42C24
prime radicalC2×#493C22
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

828 conjugacy classes of subgroups; only the 198 normal subgroups are shown.

normal subgroups only

This group has 828 conjugacy classes of subgroups — too many to draw. Only its 198 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)(5,6,9,7)(8,10,12,11)(14,17)(15,19)(18,20);(1,3,4,2)(6,10)(7,11)(8,12);(6,7)(10,11)(13,14,16,18)(15,20,19,17);(5,7,9,6)(8,11,12,10)(14,18)(17,20)

Polycyclic presentation:

2^9|a^2=g,b^2=gh,c^2=i,d^2=h,e^2=h,f^2=i,b^a=be,c^a=cf,e^a=eh,f^a=fi,d^b=deh,e^b=eh,d^c=dhi,f^c=fi,e^d=eh

Conjugacy classes & character table

74 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72279776, #72280072, #72309175
maximal normal subgroup of#72279776, #72280072, #72309175

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 134248);