Finite Group Databasebeta
Cayley diagram

C2×C22⋊(C5⋊D5) #87906

order400
isoclinismisoclinic class of #6045
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23×C5

Aliases

direct productC2×C22⋊(C5⋊D5)
unambiguous semidirect productC23⋊(C5⋊D5)

Splittings

FittingC23×C52 ⋊ C2
SylowC52 ⋊ C2×D4

Subgroups

subgroupG/H
centerC22C2×C5⋊D5
commutator, cosocleC2×C52C23
FrattiniC2C22×C5⋊D5
FittingC23×C52C2
socleC22×C52C22
hypercenterC23C5⋊D5
hypocenterC52C2×D4
LCSG ▷ C2×C52 ▷ C52
UCSC1 ◁ C22 ◁ C23

216 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 200

A minimal faithful permutation representation — 3 generators on 16 points:

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

Conjugacy classes & character table

106 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11716622, #11716673, #11716879, …
maximal normal subgroup of#11716622, #11716673, #11716879, …
maximal quotient ofC2×#87806, #11717244, C2×#87808, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(400, 200);