Finite Group Databasebeta
Cayley diagram

C4×#170 #4000

order160
isoclinismisoclinic class of AGL(1,𝔽5)
automorphismAut(G) = AGL(1,𝔽5)×#120 (order 640) · Inn(G) = AGL(1,𝔽5) · Out(G) = #120
homologyAbelianization (H1) = C4×C8 · Schur multiplier (H2) = C4

Aliases

direct productC4×#170

Splittings

derived, SylowC5 ⋊ C4×C8

Subgroups

subgroupG/H
center, hypercenterC2×C4AGL(1,𝔽5)
commutator, hypocenterC5C4×C8
FrattiniC22C2×AGL(1,𝔽5)
FittingC2×C4×C5C4
socle, prime radicalC22×C5C2×C4
cosocleC2×Dic5C22
LCSG ▷ C5
UCSC1 ◁ C2×C4

44 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 17
transitive degreeμt(G) = 160

A minimal faithful permutation representation — 2 generators on 17 points:

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#64871, #64872, C8×#170, …
maximal normal subgroup of#64871, #64872, C8×#170, …
maximal quotient ofC4×#674, #64859, C8×#170, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(160, 75);