Finite Group Databasebeta

C7×D19×D21 #26014010

order11172
automorphism?
homologyAbelianization (H1) = C22×C7 · Schur multiplier (H2) = C2

Aliases

direct productC7×D19×D21
unambiguous semidirect product(C3×D19)⋊(C7×D7)
unambiguous semidirect product(C7×D19)⋊(D3×C7)

Splittings

Fitting, socle, HallC3×C72×C19 ⋊ C22
derivedC3×C7×C19 ⋊ C22×C7
HallC72×C19 ⋊ C2×D3
HallC3×C72 ⋊ C2×D19
HallC3×C19 ⋊ C2×C7×D7
SylowC72 ⋊ D3×D19
SylowC19 ⋊ C2×C7×D21
SylowC3 ⋊ C7×D7×D19

Subgroups

subgroupG/H
center, hypercenterC7D19×D21
commutator, cosocle, hypocenterC3×C7×C19C22×C7
FrattiniC1G
Fitting, socleC3×C72×C19C22
LCSG ▷ C3×C7×C19
UCSC1 ◁ C7

104 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

924 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD19×#11725071, C7×D19×D63, D19×C3⋊#64418, …
maximal normal subgroup ofC7×#11716321⋊D3, C7×#11716322⋊D3, C7×D19×C3⋊AGL(1,𝔽7), …
maximal quotient ofC7×D19×D63, C3×C7×D19×D21, C7×D57⋊D21, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(11172, 272);