Finite Group Databasebeta
Cayley diagram

C16×AGL(1,𝔽5) #64843

order320
isoclinismisoclinic class of AGL(1,𝔽5)
automorphismAut(G) = C4×D4×AGL(1,𝔽5) (order 640) · Inn(G) = AGL(1,𝔽5) · Out(G) = C4×D4
homologyAbelianization (H1) = C4×C16 · Schur multiplier (H2) = C4

Aliases

direct productC16×AGL(1,𝔽5)

Splittings

FittingC5×C16 ⋊ C4
derived, SylowC5 ⋊ C4×C16

Subgroups

subgroupG/H
center, hypercenterC16AGL(1,𝔽5)
commutator, hypocenterC5C4×C16
FrattiniC8C2×AGL(1,𝔽5)
FittingC5×C16C4
socleC2×C5C4×C8
prime radicalC2×D5C2×C8
cosocleC8×D5C22
LCSG ▷ C5
UCSC1 ◁ C16

58 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 2 generators on 21 points:

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

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽5)×C32, #10598486, C2×C16×AGL(1,𝔽5), …
maximal normal subgroup ofAGL(1,𝔽5)×C32, #10598486, C2×C16×AGL(1,𝔽5), …
maximal quotient ofAGL(1,𝔽5)×C32, #10598486, C16×#170, …
automorphism group ofD5×C17, #64665, C17×AGL(1,𝔽5)

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 181);