Finite Group Databasebeta
Cayley diagram

C2×#687 #4079

order160
isoclinismisoclinic class of #686
automorphismAut(G) = AGL(1,𝔽5)×#3484 (order 2560) · Inn(G) = C22⋊D5 · Out(G) = C2×C4×D4
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

direct productC2×#687

Splittings

SylowC5 ⋊ C2×SD16

Subgroups

subgroupG/H
centerC22C22⋊D5
commutator, cosocleC4×C5C23
FrattiniC4C22×D5
Fitting, prime radicalC2×C5×D4C2
socleC22×C5D4
hypercenterC2×D4D5
hypocenterC5C2×SD16
LCSG ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×D4

68 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 15 points:

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

Conjugacy classes & character table

34 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#65037, #65046, #65047, …
maximal normal subgroup of#65037, #65046, #65047, …
maximal quotient ofC2×#3940, C2×#3942, #65260, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(160, 154);