Finite Group Databasebeta

C11×AGL(1,𝔽7)×D21 #34084899

order19404
automorphism?
homologyAbelianization (H1) = C22×C3×C11 · Schur multiplier (H2) = C2

Aliases

direct productC11×AGL(1,𝔽7)×D21
unambiguous semidirect productD7⋊(C3×C11×D21)
unambiguous semidirect product(C3×AGL(1,𝔽7))⋊(C11×D7)
unambiguous semidirect product(C7×AGL(1,𝔽7))⋊(D3×C11)

Splittings

Fitting, socleC3×C72×C11 ⋊ C22×C3
derivedC3×C72 ⋊ C22×C3×C11
HallC3×C7×C11×ΓL(1,𝔽8) ⋊ C22
HallC72×C11 ⋊ C2×C3×D3
HallC3×C7×ΓL(1,𝔽8) ⋊ C22×C11
SylowC72 ⋊ C2×C3×D3×C11

Subgroups

subgroupG/H
center, hypercenterC11AGL(1,𝔽7)×D21
commutator, cosocle, hypocenterC3×C72C22×C3×C11
FrattiniC1G
Fitting, socleC3×C72×C11C22×C3
LCSG ▷ C3×C72
UCSC1 ◁ C11

184 conjugacy classes of subgroups; only the 54 normal subgroups are shown.

normal subgroups only

This group has 184 conjugacy classes of subgroups — too many to draw. Only its 54 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

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19404, 390);