Finite Group Databasebeta
Cayley diagram

C2×#4002 #65749

order320
isoclinismisoclinic class of #700
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C23

Aliases

direct productC2×#4002

Splittings

SylowC5 ⋊ C2×#97

Subgroups

subgroupG/H
centerC23C2×AGL(1,𝔽5)
commutatorC2×C5C2×C42
FrattiniC22C22×AGL(1,𝔽5)
FittingC22×C4×C5C4
socle, prime radicalC23×C5C2×C4
cosocleC2×Dic5C23
hypercenterC22×C4AGL(1,𝔽5)
hypocenterC5C2×#97
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C23 ◁ C22×C4

146 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 19
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 3 generators on 19 points:

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

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10598556, #10598557, #10598722, …
maximal normal subgroup of#10598556, #10598557, #10598722, …
maximal quotient ofC2×#64860, C4×#4002, #10604174, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 1087);