Finite Group Databasebeta
Cayley diagram

D5×D16 #65199

order320
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23

Aliases

direct productD5×D16

Splittings

FittingC5×D16 ⋊ C2
SylowC5 ⋊ C2×D16

Subgroups

subgroupG/H
centerC2D5×D8
commutator, cosocleC5×C8C23
FrattiniC8C22×D5
FittingC5×D16C2
socleC2×C5C2×D8
hypercenterD16D5
hypocenterC5C2×D16
LCSG ▷ C5×C8 ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2 ◁ C4 ◁ C8 ◁ D16

98 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 80

A minimal faithful permutation representation — 3 generators on 21 points:

(2,6)(3,10)(4,11)(7,8)(9,15)(12,16)(13,14)(17,18,20,21,19);(1,2)(3,6)(4,13)(5,9)(7,10)(8,11)(12,15)(14,16);(18,19)(20,21)

Conjugacy classes & character table

44 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10598678, #10598681, D5×D32, …
maximal normal subgroup of#10598678, #10598681, D5×D32, …
maximal quotient of#10599967, #10599971, #10599976, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 537);