Finite Group Databasebeta
Cayley diagram

C5×#688 #87795

order400
isoclinismisoclinic class of #686
automorphism?
homologyAbelianization (H1) = C22×C5 · Schur multiplier (H2) = C1

Aliases

direct productC5×#688

Splittings

FittingC52×Q8 ⋊ C2
SylowC52 ⋊ SD16

Subgroups

subgroupG/H
centerC2×C5C22⋊D5
commutator, cosocleC4×C5C22×C5
FrattiniC4C2×C5×D5
FittingC52×Q8C2
socleC2×C52D4
prime radicalC5×D20C2
hypercenterC5×Q8D5
hypocenterC5C5×SD16
LCSG ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C5 ◁ C4×C5 ◁ C5×Q8

52 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 80

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

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

Conjugacy classes & character table

85 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD5×#688, #11717057, #11717058, …
maximal normal subgroup ofD5×#688, #11717057, #11717058, …
maximal quotient ofC5×#3940, C5×#3941, C5×#3967, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(400, 89);