Finite Group Databasebeta
Cayley diagram

C2×#676 #4046

order160
isoclinismisoclinic class of Dic10
automorphismAut(G) = C2×AGL(1,𝔽5)×#120 (order 1280) · Inn(G) = C2×D5 · Out(G) = C22×#41
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

direct productC2×#676

Splittings

FittingC2×C5×C8 ⋊ C2
SylowC5 ⋊ C2×M16

Subgroups

subgroupG/H
centerC2×C4C2×D5
commutatorC2×C5C22×C4
FrattiniC4C22×D5
FittingC2×C5×C8C2
socleC22×C5C2×C4
prime radicalC22×D5C4
cosocleC4×C5C23
hypercenterC2×C8D5
hypocenterC5C2×M16
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C4 ◁ C2×C8

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#64734, #64891, #64894, …
maximal normal subgroup of#64734, #64891, #64894, …
maximal quotient of#64968, #64974, C4×#676, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(160, 121);