Finite Group Databasebeta
Cayley diagram

C11×D21 #90764

order462
isoclinismisoclinic class of D21
automorphism?
homologyAbelianization (H1) = C2×C11 · Schur multiplier (H2) = C1

Aliases

direct productC11×D21
unambiguous semidirect productC3⋊(C11×D7)
unambiguous semidirect productC7⋊(D3×C11)

Splittings

Fitting, socle, HallC3×C7×C11 ⋊ C2
derived, HallC3×C7 ⋊ C2×C11
HallC7×C11 ⋊ D3
HallC3×C11 ⋊ D7
SylowC7 ⋊ D3×C11
SylowC3 ⋊ C11×D7

Subgroups

subgroupG/H
center, hypercenterC11D21
commutator, cosocle, hypocenterC3×C7C2×C11
FrattiniC1G
Fitting, socleC3×C7×C11C2
LCSG ▷ C3×C7
UCSC1 ◁ C11

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 231

A minimal faithful permutation representation — 2 generators on 21 points:

(2,3)(5,6)(7,8)(9,10)(11,12,13,14,15,16,17,18,19,20,21);(1,2,3)(4,5,7,9,10,8,6)

Conjugacy classes & character table

132 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD11×D21, D3×C11×D7, D21⋊D11, …
maximal normal subgroup ofD11×D21, D3×C11×D7, D21⋊D11, …
maximal quotient ofC11×Dic21, C2×C11×D21, C11×D63, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(462, 10);