Finite Group Databasebeta
Cayley diagram

C22×D11 #771

order88
isoclinismisoclinic class of D11
automorphismAut(G) = S4×AGL(1,𝔽11) (order 2640) · Inn(G) = D11 · Out(G) = C5×S4
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23

Aliases

direct productC22×D11
unambiguous semidirect productC11⋊C23
unambiguous semidirect product(C2×C11)⋊C22

Splittings

Fitting, socleC22×C11 ⋊ C2
derived, SylowC11 ⋊ C23

Subgroups

subgroupG/H
center, hypercenterC22D11
commutator, cosocle, hypocenterC11C23
FrattiniC1G
Fitting, socleC22×C11C2
LCSG ▷ C11
UCSC1 ◁ C22

32 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 15
transitive degreeμt(G) = 44

A minimal faithful permutation representation — 3 generators on 15 points:

(1,2)(3,4)(6,7)(8,9)(10,11)(12,13)(14,15);(3,4)(5,6,8,10,12,14,15,13,11,9,7);(1,2)

Conjugacy classes & character table

28 conjugacy classes — view the full character table.

Relationships

maximal subgroup of(C2×D11)⋊C4, C2×C4×D11, C2×D44, …
maximal normal subgroup of(C2×D11)⋊C4, C2×C4×D11, C2×D44, …
maximal quotient ofC2×Dic22, C2×C4×D11, C2×D44, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(88, 11);