Finite Group Databasebeta
Cayley diagram

C2×#709 #4141

order160
isoclinismisoclinic class of Dic10
automorphismAut(G) = AGL(1,𝔽5)×#23900 (order 5120) · Inn(G) = C2×D5 · Out(G) = #34655
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

direct productC2×#709

Splittings

FittingC22×C4×C5 ⋊ C2
SylowC5 ⋊ C2×#41

Subgroups

subgroupG/H
centerC2×C4C2×D5
commutator, cosocleC2×C5C24
FrattiniC2C23×D5
FittingC22×C4×C5C2
socleC22×C5C23
hypercenterC22×C4D5
hypocenterC5C2×#41
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C4 ◁ C22×C4

164 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 15
transitive degreeμt(G) = 80

A minimal faithful permutation representation — 4 generators on 15 points:

(1,2)(3,4,6,7,5)(9,13)(12,15);(8,10,11,14)(9,12,13,15);(4,5)(6,7)(8,9)(10,12)(11,13)(14,15);(1,2)

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#65016, #65022, #65023, …
maximal normal subgroup of#65016, #65022, #65023, …
maximal quotient ofC2×C4×Dic10, C2×#4016, #65804, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(160, 216);