Finite Group Databasebeta
Cayley diagram

S4 #71

order24
isoclinismisoclinic class of S4
automorphismAut(G) = S4 (order 24) · Inn(G) = G · Out(G) = C1
holomorphG ⋊ Aut(G) = S42
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C2

Aliases

projective general linearPGL(2,𝔽3)
symmetricS4
affine general linearAGL(2,𝔽2)
affine general semilinearAΓL(1,𝔽4)
special orthogonalSO(3,𝔽3)
unambiguous semidirect productA4⋊C2

Splittings

Fitting, socleC22 ⋊ D3
derivedA4 ⋊ C2

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, cosocle, hypocenterA4C2
Fitting, socleC22D3
LCSG ▷ A4
UCSC1

11 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 4
transitive degreeμt(G) = 4

A minimal faithful permutation representation — 2 generators on 4 points:

(1,2,3,4);(1,2)

Polycyclic presentation:

2,3,2^2|b^a=b^2,c^a=d,d^a=c,c^b=d,d^b=cd

Conjugacy classes & character table

C1C2C3C4C5
size13668
order12243
χ111111
χ211-1-11
χ32200-1
χ43-11-10
χ53-1-110

Relationships

maximal subgroup ofC2×S4, C3×S4, C3⋊S4, …
maximal normal subgroup ofC2×S4, C3×S4, C5×S4, …
maximal quotient of#226, GL(2,𝔽3), SL(2,ℤ/4), …
automorphism group ofQ8, A4, SL(2,𝔽3), …
outer automorphism group ofC3⋊D3, C22×D3, #272, …
holomorph ofC22

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(24, 12);