Finite Group Databasebeta
Cayley diagram

D4×Dic5 #4080

order160
automorphismAut(G) = C22×AGL(1,𝔽5)×#120 (order 2560) · Inn(G) = C22×D5 · Out(G) = C23×D4
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

direct productD4×Dic5

Splittings

SylowC5 ⋊ C4×D4

Subgroups

subgroupG/H
center, FrattiniC22C22×D5
commutatorC2×C5C22×C4
Fitting, prime radicalC2×C5×D4C2
socle, cosocleC22×C5C23
hypercenterC2×D4D5
hypocenterC5C4×D4
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C22 ◁ C2×D4

94 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 13 points:

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD4⋊#170, #65045, #65046, …
maximal normal subgroup ofD4⋊#170, #65045, #65046, …
maximal quotient ofC22⋊C4×Dic5, #65239, #65240, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(160, 155);