Finite Group Databasebeta
Cayley diagram

C2×D11 #192

order44
isoclinismisoclinic class of D11
automorphismAut(G) = C2×AGL(1,𝔽11) (order 220) · Inn(G) = D11 · Out(G) = C2×C5
holomorphG ⋊ Aut(G) = #72213693
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD22
direct productC2×D11
unambiguous semidirect productC11⋊C22
unambiguous semidirect product(C2×C11)⋊C2

Splittings

Fitting, socleC2×C11 ⋊ C2
derived, SylowC11 ⋊ C22

Subgroups

subgroupG/H
center, hypercenterC2D11
commutator, cosocle, hypocenterC11C22
FrattiniC1G
Fitting, socleC2×C11C2
LCSG ▷ C11
UCSC1 ◁ C2

10 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 13
transitive degreeμt(G) = 22

A minimal faithful permutation representation — 2 generators on 13 points:

(1,2)(3,4,5,6,7,8,9,10,11,12,13);(4,13)(5,12)(6,11)(7,10)(8,9)

Conjugacy classes & character table

14 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×D11, D44, C22⋊D11, …
maximal normal subgroup ofC4×D11, D44, C22⋊D11, …
maximal quotient ofDic22, C4×D11, D44, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(44, 3);