Finite Group Databasebeta
Cayley diagram

C2×D103 #88020

order412
isoclinismisoclinic class of D103
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD206
direct productC2×D103
unambiguous semidirect productC103⋊C22
unambiguous semidirect product(C2×C103)⋊C2

Splittings

Fitting, socleC2×C103 ⋊ C2
derived, SylowC103 ⋊ C22

Subgroups

subgroupG/H
center, hypercenterC2D103
commutator, cosocle, hypocenterC103C22
FrattiniC1G
Fitting, socleC2×C103C2
LCSG ▷ C103
UCSC1 ◁ C2

10 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 105
transitive degreeμt(G) = 206

A minimal faithful permutation representation — 2 generators on 105 points:

(1,2)(3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105);(4,105)(5,104)(6,103)(7,102)(8,101)(9,100)(10,99)(11,98)(12,97)(13,96)(14,95)(15,94)(16,93)(17,92)(18,91)(19,90)(20,89)(21,88)(22,87)(23,86)(24,85)(25,84)(26,83)(27,82)(28,81)(29,80)(30,79)(31,78)(32,77)(33,76)(34,75)(35,74)(36,73)(37,72)(38,71)(39,70)(40,69)(41,68)(42,67)(43,66)(44,65)(45,64)(46,63)(47,62)(48,61)(49,60)(50,59)(51,58)(52,57)(53,56)(54,55)

Conjugacy classes & character table

106 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×D103, D412, C22⋊D103, …
maximal normal subgroup ofC4×D103, D412, C22⋊D103, …
maximal quotient ofDic206, C4×D103, D412, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(412, 3);