Finite Group Databasebeta

C11×D7×D21 #20266397

order6468
automorphism?
homologyAbelianization (H1) = C22×C11 · Schur multiplier (H2) = C2

Aliases

direct productC11×D7×D21
unambiguous semidirect product(C3×D7)⋊(C11×D7)
unambiguous semidirect product(C7×D7)⋊(D3×C11)

Splittings

Fitting, socle, HallC3×C72×C11 ⋊ C22
derived, HallC3×C72 ⋊ C22×C11
HallC72×C11 ⋊ C2×D3
SylowC72 ⋊ C2×D3×C11
HallC3×C11 ⋊ D72
SylowC3 ⋊ C11×D72

Subgroups

subgroupG/H
center, hypercenterC11D7×D21
commutator, hypocenterC3×C72C22×C11
FrattiniC1G
Fitting, socleC3×C72×C11C22
LCSG ▷ C3×C72
UCSC1 ◁ C11

104 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

660 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC11×D7×D63, C11×#64423⋊D3, C11×#64422⋊D3, …
maximal normal subgroup ofC11×#64423⋊D3, C11×#64422⋊D3, C11×AGL(1,𝔽7)×D21, …
maximal quotient ofC11×D7×D63, C3×C11×D7×D21, C11×D7×C3⋊D21, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(6468, 132);