Finite Group Databasebeta
Cayley diagram

C7⋊S4 #4276

order168
isoclinismisoclinic class of C7⋊S4
automorphismAut(G) = S4×AGL(1,𝔽7) (order 1008) · Inn(G) = G · Out(G) = C2×C3
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC7⋊S4
unambiguous semidirect productA4⋊D7

Splittings

Fitting, socleC22×C7 ⋊ D3
derivedC7×A4 ⋊ C2
SylowC7 ⋊ S4

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, cosocle, hypocenterC7×A4C2
Fitting, socleC22×C7D3
LCSG ▷ C7×A4
UCSC1

22 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 11
transitive degreeμt(G) = 28

A minimal faithful permutation representation — 2 generators on 11 points:

(1,2,4,3)(6,7)(8,9)(10,11);(2,3,4)(5,6,8,10,11,9,7)

Polycyclic presentation:

2,3,7,2^2|b^a=b^2,c^a=c^6,d^a=e,e^a=d,d^b=e,e^b=de

Conjugacy classes & character table

17 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×S4, C2×C7⋊S4, A4⋊AGL(1,𝔽7), …
maximal normal subgroup ofD7×S4, C2×C7⋊S4, A4⋊AGL(1,𝔽7), …
maximal quotient ofC7⋊#226, C7⋊GL(2,𝔽3), C7⋊SL(2,ℤ/4), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(168, 46);