Finite Group Databasebeta

C7×A5⋊C4 #13132378

order1680
isoclinismisoclinic class of S5
automorphism?
homologyAbelianization (H1) = C4×C7 · Schur multiplier (H2) = C2

Aliases

direct productC7×A5⋊C4
unambiguous semidirect productA5⋊(C4×C7)

Splittings

derivedA5 ⋊ C4×C7

Subgroups

subgroupG/H
center, Fitting, hypercenterC2×C7S5
commutator, hypocenterA5C4×C7
FrattiniC2C7×S5
socle, prime radicalC2×C7×A5C2
cosocleC2×A5C2×C7
LCSG ▷ A5
UCSC1 ◁ C2×C7

70 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 84

A minimal faithful permutation representation — 2 generators on 16 points:

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

Conjugacy classes & character table

98 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1680, 398);