Finite Group Databasebeta

C7×C22⋊(C22⋊A4) #13062426

order1344
isoclinismisoclinic class of C22⋊(C22⋊A4)
automorphism?
homologyAbelianization (H1) = C3×C7 · Schur multiplier (H2) = C29

Aliases

direct productC7×C22⋊(C22⋊A4)
unambiguous semidirect productC22⋊(C7×C22⋊A4)

Splittings

Fitting, socle, HallC26×C7 ⋊ C3
derived, SylowC26 ⋊ C3×C7

Subgroups

subgroupG/H
center, hypercenterC7C22⋊(C22⋊A4)
commutator, cosocle, hypocenterC26C3×C7
FrattiniC1G
Fitting, socleC26×C7C3
LCSG ▷ C26
UCSC1 ◁ C7

2030 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 19
transitive degreeμt(G) = 168

A minimal faithful permutation representation — 4 generators on 19 points:

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

Conjugacy classes & character table

168 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofΓL(1,𝔽8)×C22⋊(C22⋊A4), D7×C22⋊(C22⋊A4)
maximal normal subgroup ofΓL(1,𝔽8)×C22⋊(C22⋊A4), D7×C22⋊(C22⋊A4)
maximal quotient ofC7×C22⋊#997

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 11715);