Finite Group Databasebeta
Cayley diagram

C2×S5 #6828

order240
isoclinismisoclinic class of S5
automorphismAut(G) = C2×S5 (order 240) · Inn(G) = S5 · Out(G) = C2
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C22

Aliases

general orthogonalGO(3,𝔽5)
direct productC2×S5
unambiguous semidirect productA5⋊C22
unambiguous semidirect product(C2×A5)⋊C2

Splittings

socleC2×A5 ⋊ C2
derivedA5 ⋊ C22

Subgroups

subgroupG/H
center, Fitting, hypercenterC2S5
commutator, cosocle, hypocenterA5C22
FrattiniC1G
socleC2×A5C2
LCSG ▷ A5
UCSC1 ◁ C2

57 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 7
transitive degreeμt(G) = 10

A minimal faithful permutation representation — 2 generators on 7 points:

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

Conjugacy classes & character table

14 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×S5, C4⋊S5, C22⋊S5, …
maximal normal subgroup ofC4×S5, C4⋊S5, C22⋊S5, …
maximal quotient ofC4×S5, C4⋊S5, A5⋊Q8, …
automorphism group ofC3×A5, #6728, #6729, …
outer automorphism group ofC3×2−1+4, C4×C22⋊A4, #5968, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(240, 189);