Finite Group Databasebeta
Cayley diagram

C4⋊S5 #91868

order480
automorphismAut(G) = D4×S5 (order 960) · Inn(G) = C2×S5 · Out(G) = C22
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC4⋊S5

Splittings

FittingC4 ⋊ S5

Subgroups

subgroupG/H
center, FrattiniC2C2×S5
commutator, socle, cosocleC2×A5C22
Fitting, hypercenterC4S5
hypocenterA5D4
LCSG ▷ C2×A5 ▷ A5
UCSC1 ◁ C2 ◁ C4

96 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:

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

Conjugacy classes & character table

19 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11751487, #11751488, #11751518, …
maximal normal subgroup of#11751487, #11751488, #11751518, …
maximal quotient of#11751487, #11751488, #11751489, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(480, 944);