Finite Group Databasebeta
Cayley diagram

C2×D61 #6924

order244
isoclinismisoclinic class of D61
automorphismAut(G) = C2×AGL(1,𝔽61) (order 7320) · Inn(G) = D61 · Out(G) = C22×C3×C5
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD122
direct productC2×D61
unambiguous semidirect productC61⋊C22
unambiguous semidirect product(C2×C61)⋊C2

Splittings

Fitting, socleC2×C61 ⋊ C2
derived, SylowC61 ⋊ C22

Subgroups

subgroupG/H
center, hypercenterC2D61
commutator, cosocle, hypocenterC61C22
FrattiniC1G
Fitting, socleC2×C61C2
LCSG ▷ C61
UCSC1 ◁ C2

10 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 63
transitive degreeμt(G) = 122

A minimal faithful permutation representation — 2 generators on 63 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);(4,63)(5,62)(6,61)(7,60)(8,59)(9,58)(10,57)(11,56)(12,55)(13,54)(14,53)(15,52)(16,51)(17,50)(18,49)(19,48)(20,47)(21,46)(22,45)(23,44)(24,43)(25,42)(26,41)(27,40)(28,39)(29,38)(30,37)(31,36)(32,35)(33,34)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×D61, D244, C22⋊D61, …
maximal normal subgroup ofC4×D61, D244, C22⋊D61, …
maximal quotient ofDic122, C4×D61, D244, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(244, 4);