Finite Group Databasebeta
Cayley diagram

A4⋊Dic5 #6746

order240
isoclinismisoclinic class of C5⋊S4
automorphismAut(G) = C2×AGL(1,𝔽5)×S4 (order 960) · Inn(G) = C5⋊S4 · Out(G) = C2×C4
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productA4⋊Dic5

Splittings

derivedC5×A4 ⋊ C4
SylowC5 ⋊ SL(2,ℤ/4)

Subgroups

subgroupG/H
center, Frattini, hypercenterC2C5⋊S4
commutator, hypocenterC5×A4C4
Fitting, socleC23×C5D3
prime radical, cosocleC2×C5×A4C2
LCSG ▷ C5×A4
UCSC1 ◁ C2

38 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 13
transitive degreeμt(G) = 60

A minimal faithful permutation representation — 2 generators on 13 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

26 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#91899, Dic5×S4, D5×SL(2,ℤ/4), …
maximal normal subgroup of#91899, Dic5×S4, D5×SL(2,ℤ/4), …
maximal quotient ofA4⋊#168, #91184, #91185, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(240, 107);