Finite Group Databasebeta
Cayley diagram

C22×C22⋊D5 #4152

order160
isoclinismisoclinic class of Dic10
automorphismAut(G) = AGL(1,𝔽5)×#72209641 (order 30720) · Inn(G) = C2×D5 · Out(G) = #72215537
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C26

Aliases

direct productC22×C22⋊D5

Splittings

FittingC24×C5 ⋊ C2
SylowC5 ⋊ C22×D4

Subgroups

subgroupG/H
centerC23C2×D5
commutator, cosocleC2×C5C24
FrattiniC2C23×D5
FittingC24×C5C2
socleC23×C5C22
hypercenterC24D5
hypocenterC5C22×D4
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C23 ◁ C24

236 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 13
transitive degreeμt(G) = 80

A minimal faithful permutation representation — 4 generators on 13 points:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#3938, #65245, #65246, …
maximal normal subgroup ofC2×#3938, #65245, #65246, …
maximal quotient ofC22×#683, C2×#4070, C22×#685, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(160, 227);