Finite Group Databasebeta

C7×D21×C19⋊C3 #30660817

order16758
automorphism?
homologyAbelianization (H1) = C2×C3×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×D21×C19⋊C3
unambiguous semidirect productC3⋊(C7×D7×C19⋊C3)

Splittings

Fitting, socleC3×C72×C19 ⋊ C2×C3
derivedC3×C7×C19 ⋊ C2×C3×C7
HallC3×C72×C19⋊C3 ⋊ C2
HallC72×C19 ⋊ C3×D3
HallC3×C19⋊C3 ⋊ C7×D7
SylowC72 ⋊ D3×C19⋊C3
SylowC19 ⋊ C3×C7×D21

Subgroups

subgroupG/H
center, hypercenterC7D21×C19⋊C3
commutator, cosocle, hypocenterC3×C7×C19C2×C3×C7
FrattiniC1G
Fitting, socleC3×C72×C19C2×C3
LCSG ▷ C3×C7×C19
UCSC1 ◁ C7

108 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 798

Conjugacy classes & character table

756 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC7×D21×D19⋊C3, C7×(C3⋊(D19⋊C3))⋊D7, D3×C7×D7×C19⋊C3, …
maximal normal subgroup ofC7×D21×D19⋊C3, C7×(C3⋊(D19⋊C3))⋊D7, D3×C7×D7×C19⋊C3, …
maximal quotient ofC7×C19⋊C3×Dic21, C2×C7×D21×C19⋊C3

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16758, 344);