Finite Group Databasebeta
Cayley diagram

C2×Dic50 #87741

order400
isoclinismisoclinic class of Dic50
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

direct productC2×Dic50
unambiguous semidirect product(C2×C25)⋊Q8

Splittings

SylowC25 ⋊ C2×Q8

Subgroups

subgroupG/H
centerC22C2×D25
commutator, cosocleC2×C25C23
FrattiniC2×C5C22×D5
FittingC2×C4×C25C2
socle, prime radicalC22×C5C2×D5
hypercenterC2×C4D25
hypocenterC25C2×Q8
LCSG ▷ C2×C25 ▷ C25
UCSC1 ◁ C22 ◁ C2×C4

57 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 35
transitive degreeμt(G) = 400

A minimal faithful permutation representation — 3 generators on 35 points:

(3,5,6,10)(4,7,8,9)(11,31,22,34,19,17,24,15,33,14,26,16,32,28,23,18,12,35,20,30,13,25,29,21,27);(1,2)(3,4,6,8)(5,9,10,7)(12,14)(13,17)(15,20)(16,23)(18,26)(19,25)(21,22)(24,30)(27,31)(28,32)(29,34)(33,35);(1,2)

Conjugacy classes & character table

106 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11716357, #11716365, #11716371, …
maximal normal subgroup of#11716357, #11716365, #11716371, …
maximal quotient ofC4×Dic50, #11716431, #11716432, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(400, 35);