Finite Group Databasebeta
Cayley diagram

C2×D89 #67064

order356
isoclinismisoclinic class of D89
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD178
direct productC2×D89
unambiguous semidirect productC89⋊C22
unambiguous semidirect product(C2×C89)⋊C2

Splittings

Fitting, socleC2×C89 ⋊ C2
derived, SylowC89 ⋊ C22

Subgroups

subgroupG/H
center, hypercenterC2D89
commutator, cosocle, hypocenterC89C22
FrattiniC1G
Fitting, socleC2×C89C2
LCSG ▷ C89
UCSC1 ◁ C2

10 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 91
transitive degreeμt(G) = 178

A minimal faithful permutation representation — 2 generators on 91 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);(4,91)(5,90)(6,89)(7,88)(8,87)(9,86)(10,85)(11,84)(12,83)(13,82)(14,81)(15,80)(16,79)(17,78)(18,77)(19,76)(20,75)(21,74)(22,73)(23,72)(24,71)(25,70)(26,69)(27,68)(28,67)(29,66)(30,65)(31,64)(32,63)(33,62)(34,61)(35,60)(36,59)(37,58)(38,57)(39,56)(40,55)(41,54)(42,53)(43,52)(44,51)(45,50)(46,49)(47,48)

Conjugacy classes & character table

92 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×D89, D356, C22⋊D89, …
maximal normal subgroup ofC4×D89, D356, C22⋊D89, …
maximal quotient ofDic178, C4×D89, D356, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(356, 4);