Finite Group Databasebeta

C7×D11×C3⋊D21 #34085015

order19404
automorphism?
homologyAbelianization (H1) = C22×C7 · Schur multiplier (H2) = C2×C3

Aliases

direct productC7×D11×C3⋊D21
unambiguous semidirect product(C3×D11)⋊(C7×D21)
unambiguous semidirect product(C7×D11)⋊(C7×C3⋊D3)

Splittings

Fitting, socle, HallC32×C72×C11 ⋊ C22
derivedC32×C7×C11 ⋊ C22×C7
HallC72×C11 ⋊ C2×C3⋊D3
HallC32×C72 ⋊ C2×D11
HallC32×C11 ⋊ C2×C7×D7
SylowC72 ⋊ C3⋊D3×D11
SylowC11 ⋊ C2×C7×C3⋊D21
SylowC32 ⋊ C7×D7×D11

Subgroups

subgroupG/H
center, hypercenterC7D11×C3⋊D21
commutator, cosocle, hypocenterC32×C7×C11C22×C7
FrattiniC1G
Fitting, socleC32×C72×C11C22
LCSG ▷ C32×C7×C11
UCSC1 ◁ C7

312 conjugacy classes of subgroups; only the 80 normal subgroups are shown.

normal subgroups only

This group has 312 conjugacy classes of subgroups — too many to draw. Only its 80 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1386

Conjugacy classes & character table

1617 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19404, 506);