Finite Group Databasebeta
Cayley diagram

C22×#554 #62702

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

Aliases

direct productC22×#554

Subgroups

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

4227 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);(5,6,9,8)(7,11,12,10)(13,14,17,16)(15,19,20,18);(6,8)(10,11)(13,15,17,20)(14,18,16,19);(5,7)(6,10)(8,11)(9,12);(5,8,9,6)(7,11,12,10)(13,16,17,14)(15,18,20,19)

Conjugacy classes & character table

100 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofA4×#554
maximal subgroup ofC2×#8372, #185558, C2×#8380, …
maximal normal subgroup ofC2×#8372, #185558, C2×#8380, …
maximal quotient ofC22×D4×C4⋊C4, C22×#2349, C22×#2345, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 55690);