Finite Group Databasebeta
Cayley diagram

A4⋊AGL(1,𝔽5) #6831

order240
isoclinismisoclinic class of A4⋊AGL(1,𝔽5)
automorphismAut(G) = AGL(1,𝔽5)×S4 (order 480) · Inn(G) = G · Out(G) = C2
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productA4⋊AGL(1,𝔽5)

Splittings

Fitting, socleC22×C5 ⋊ Dic3
derivedC5×A4 ⋊ C4
SylowC5 ⋊ SL(2,ℤ/4)

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, hypocenterC5×A4C4
Fitting, socleC22×C5Dic3
prime radical, cosocleD5×A4C2
LCSG ▷ C5×A4
UCSC1

38 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 9
transitive degreeμt(G) = 20

A minimal faithful permutation representation — 2 generators on 9 points:

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

Polycyclic presentation:

2^2,3,5,2^2|a^2=b,c^a=c^2,d^a=d^3,e^a=f,f^a=e,d^b=d^4,e^c=f,f^c=ef

Conjugacy classes & character table

14 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽5)×S4, C2×A4⋊AGL(1,𝔽5), C3×A4⋊AGL(1,𝔽5), …
maximal normal subgroup ofAGL(1,𝔽5)×S4, C2×A4⋊AGL(1,𝔽5), C3×A4⋊AGL(1,𝔽5), …
maximal quotient of#91885, #91886, A4⋊#170, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(240, 192);