Finite Group Databasebeta
Cayley diagram

C5×#676 #87783

order400
isoclinismisoclinic class of Dic10
automorphismAut(G) = C23×C4×AGL(1,𝔽5) (order 640) · Inn(G) = C2×D5 · Out(G) = C2×C42
homologyAbelianization (H1) = C2×C4×C5 · Schur multiplier (H2) = C1

Aliases

direct productC5×#676

Splittings

FittingC52×C8 ⋊ C2
SylowC52 ⋊ M16

Subgroups

subgroupG/H
centerC4×C5C2×D5
commutatorC2×C5C2×C4×C5
FrattiniC4C2×C5×D5
FittingC52×C8C2
socleC2×C52C2×C4
prime radicalC2×C5×D5C4
cosocleC4×C5C22×C5
hypercenterC5×C8D5
hypocenterC5C5×M16
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C4×C5 ◁ C5×C8

48 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)(11,15,13,18,14,12,17,16);(7,8)(9,10)(12,15)(16,18)

Conjugacy classes & character table

130 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD5×#676, #11716909, #11716912, …
maximal normal subgroup ofD5×#676, #11716909, #11716912, …
maximal quotient ofC5×#3946, C5×#3947, C5×#3952, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(400, 77);