Finite Group Databasebeta
Cayley diagram

C5×#170 #6031

order200
isoclinismisoclinic class of AGL(1,𝔽5)
automorphismAut(G) = C2×C4×AGL(1,𝔽5) (order 160) · Inn(G) = AGL(1,𝔽5) · Out(G) = C2×C4
homologyAbelianization (H1) = C5×C8 · Schur multiplier (H2) = C1

Aliases

direct productC5×#170

Splittings

derivedC5 ⋊ C5×C8
SylowC52 ⋊ C8

Subgroups

subgroupG/H
center, hypercenterC2×C5AGL(1,𝔽5)
commutator, hypocenterC5C5×C8
FrattiniC2C5×AGL(1,𝔽5)
Fitting, socle, prime radicalC2×C52C4
cosocleDic5C2×C5
LCSG ▷ C5
UCSC1 ◁ C2×C5

18 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 40

A minimal faithful permutation representation — 2 generators on 18 points:

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

Conjugacy classes & character table

50 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD5×#170, #87827, #87828, …
maximal normal subgroup ofD5×#170, #87827, #87828, …
maximal quotient ofC5×#674, C2×C5×#170, C3×C5×#170, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(200, 18);