Finite Group Databasebeta
Cayley diagram

C22×#542 #62678

order256
nilpotency class2
isoclinismisoclinic class of #534
automorphism?
homologyAbelianization (H1) = C26 · Schur multiplier (H2) = C213

Aliases

direct productC22×#542

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC22C26
prime radicalC22×#121C2
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C22 ▷ C1

3987 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 6 generators on 20 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofA4×#542
maximal subgroup of#184769, #184771, #184807, …
maximal normal subgroup of#184769, #184771, #184807, …
maximal quotient ofC22×#2319, C22×#2320, C22×#2314, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 55666);