Finite Group Databasebeta
Cayley diagram

C5×#686 #87793

order400
isoclinismisoclinic class of #686
automorphism?
homologyAbelianization (H1) = C22×C5 · Schur multiplier (H2) = C2

Aliases

direct productC5×#686

Splittings

FittingC52×D4 ⋊ C2
SylowC52 ⋊ D8

Subgroups

subgroupG/H
centerC2×C5C22⋊D5
commutator, cosocleC4×C5C22×C5
FrattiniC4C2×C5×D5
FittingC52×D4C2
socleC2×C52D4
hypercenterC5×D4D5
hypocenterC5C5×D8
LCSG ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C5 ◁ C4×C5 ◁ C5×D4

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 40

A minimal faithful permutation representation — 2 generators on 18 points:

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

Conjugacy classes & character table

85 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD5×#686, #11717043, #11717044, …
maximal normal subgroup ofD5×#686, #11717043, #11717044, …
maximal quotient ofC5×#3939, C5×#3941, C5×#3958, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(400, 87);