Finite Group Databasebeta
Cayley diagram

#220728

order512
nilpotency class3
isoclinismisoclinic class of #19755
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23D42
commutatorC42C23×C4
Frattini, cosocleC2×C42C24
prime radicalC2×D4×D8C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

1483 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 128

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72214525, #72227132, #72227163, …
maximal normal subgroup of#72214525, #72227132, #72227163, …
maximal quotient of#72214153, #72216473, #72227032, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 127924);