Finite Group Databasebeta
Cayley diagram

C2×D121 #92145

order484
isoclinismisoclinic class of D121
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD242
direct productC2×D121
unambiguous semidirect productC121⋊C22
unambiguous semidirect product(C2×C121)⋊C2

Splittings

FittingC2×C121 ⋊ C2
derived, SylowC121 ⋊ C22

Subgroups

subgroupG/H
center, hypercenterC2D121
commutator, cosocle, hypocenterC121C22
FrattiniC11C2×D11
FittingC2×C121C2
socleC2×C11D11
LCSG ▷ C121
UCSC1 ◁ C2

15 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 123
transitive degreeμt(G) = 242

A minimal faithful permutation representation — 2 generators on 123 points:

(1,2)(3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123);(4,123)(5,122)(6,121)(7,120)(8,119)(9,118)(10,117)(11,116)(12,115)(13,114)(14,113)(15,112)(16,111)(17,110)(18,109)(19,108)(20,107)(21,106)(22,105)(23,104)(24,103)(25,102)(26,101)(27,100)(28,99)(29,98)(30,97)(31,96)(32,95)(33,94)(34,93)(35,92)(36,91)(37,90)(38,89)(39,88)(40,87)(41,86)(42,85)(43,84)(44,83)(45,82)(46,81)(47,80)(48,79)(49,78)(50,77)(51,76)(52,75)(53,74)(54,73)(55,72)(56,71)(57,70)(58,69)(59,68)(60,67)(61,66)(62,65)(63,64)

Conjugacy classes & character table

124 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×D121, D484, C22⋊D121, …
maximal normal subgroup ofC4×D121, D484, C22⋊D121, …
maximal quotient ofDic242, C4×D121, D484, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(484, 3);