Finite Group Databasebeta
Cayley diagram

C4×C5×AGL(1,𝔽5) #87843

order400
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) = C42×C5 · Schur multiplier (H2) = C4

Aliases

direct productC4×C5×AGL(1,𝔽5)

Splittings

FittingC4×C52 ⋊ C4
derivedC5 ⋊ C42×C5
SylowC52 ⋊ C42

Subgroups

subgroupG/H
center, hypercenterC4×C5AGL(1,𝔽5)
commutator, hypocenterC5C42×C5
FrattiniC2C2×C5×AGL(1,𝔽5)
FittingC4×C52C4
socleC2×C52C2×C4
prime radicalC2×C5×D5C22
cosocleC2×D5C22×C5
LCSG ▷ C5
UCSC1 ◁ C4×C5

63 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 14
transitive degreeμt(G) = 80

A minimal faithful permutation representation — 2 generators on 14 points:

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

Conjugacy classes & character table

100 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽5)×#168, #11716732, #11716739, …
maximal normal subgroup ofAGL(1,𝔽5)×#168, #11716732, #11716739, …
maximal quotient ofC5×C8×AGL(1,𝔽5), C5×#3992, C4×C5×#170, …
automorphism group ofD5×C25, AGL(1,𝔽5)×C25

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(400, 137);