Finite Group Databasebeta
Cayley diagram

C2×#3998 #65743

order320
isoclinismisoclinic class of #700
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C22

Aliases

direct productC2×#3998

Splittings

SylowC5 ⋊ C2×M32

Subgroups

subgroupG/H
centerC2×C4C2×AGL(1,𝔽5)
commutatorC2×C5C22×C8
FrattiniC4C22×AGL(1,𝔽5)
FittingC22×C4×C5C4
socleC22×C5C2×C8
prime radicalC23×C5C8
cosocle#168C23
hypercenterC22×C4AGL(1,𝔽5)
hypocenterC5C2×M32
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C4 ◁ C22×C4

90 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 23
transitive degreeμt(G) = 160

A minimal faithful permutation representation — 3 generators on 23 points:

(1,2)(3,4,5,7,6)(9,13)(14,19)(15,20)(21,23);(4,5,6,7)(8,9,10,14,11,15,16,21,12,13,17,19,18,20,22,23);(1,2)

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10598699, #10598700, #10598701, …
maximal normal subgroup of#10598699, #10598700, #10598701, …
maximal quotient ofC2×#64859, C4×#3998, C2×C4⋊#674, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 1081);