Finite Group Databasebeta
Cayley diagram

C2×#3990 #65714

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

Aliases

direct productC2×#3990

Splittings

SylowC5 ⋊ C2×M32

Subgroups

subgroupG/H
centerC2×C4C2×AGL(1,𝔽5)
commutatorC2×C5C22×C8
FrattiniC4C22×AGL(1,𝔽5)
FittingC2×C5×C8C4
socleC22×C5C2×C8
prime radicalC22×D5C8
cosocle#168C23
hypercenterC2×C8AGL(1,𝔽5)
hypocenterC5C2×M32
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C4 ◁ C2×C8

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

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10598621, #10598622, #10598630, …
maximal normal subgroup of#10598621, #10598622, #10598630, …
maximal quotient ofC4×#3990, #10603827, #10603828, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 1052);