Finite Group Databasebeta
Cayley diagram

C22×#552 #62704

order256
nilpotency class2
isoclinismisoclinic class of D42
automorphism?
homologyAbelianization (H1) = C26 · Schur multiplier (H2) = C213

Aliases

direct productC22×#552

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC22C26
prime radicalC23×D4C22
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C22 ▷ C1

3967 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);(5,6,9,10)(7,8,11,12)(15,19)(17,20);(6,10)(8,12)(13,14,16,18)(15,17,19,20);(5,7,9,11)(6,8,10,12)(13,15)(14,17)(16,19)(18,20);(5,8)(6,11)(7,10)(9,12)

Conjugacy classes & character table

100 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofA4×#552
maximal subgroup ofC2×#8363, #185476, C2×#8371, …
maximal normal subgroup ofC2×#8363, #185476, C2×#8371, …
maximal quotient ofC22×#2352, C22×#2344, C22×#2343, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 55692);