Finite Group Databasebeta
Cayley diagram

C4×#704 #65750

order320
isoclinismisoclinic class of #700
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C2×C4

Aliases

direct productC4×#704

Splittings

SylowC5 ⋊ C4×M16

Subgroups

subgroupG/H
centerC2×C4C2×AGL(1,𝔽5)
commutatorC2×C5C2×C42
FrattiniC22C22×AGL(1,𝔽5)
FittingC22×C4×C5C4
socleC22×C5C22×C4
prime radicalC23×C5C2×C4
cosocleC2×Dic5C23
hypercenterC22×C4AGL(1,𝔽5)
hypocenterC5C4×M16
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C4 ◁ C22×C4

142 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 17 points:

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

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10598505, #10598510, #10598558, …
maximal normal subgroup of#10598505, #10598510, #10598558, …
maximal quotient ofC4×#4002, #10604175, C4×#4004, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 1088);