Finite Group Databasebeta

C7×#14558802⋊C2 #45692010

order33516
automorphism?
homologyAbelianization (H1) = C22×C7×C9 · Schur multiplier (H2) = C2

Aliases

direct productC7×#14558802⋊C2
unambiguous semidirect product#14558802⋊(C2×C7)
unambiguous semidirect product#14558804⋊(C2×C7)
unambiguous semidirect product#14558808⋊(C2×C7)

Splittings

Fitting, socle, HallC72×C19 ⋊ C22×C9
derivedC7×C19 ⋊ C22×C7×C9
HallC7×#11924781 ⋊ C22
HallC7×D7×D19 ⋊ C9
SylowC72 ⋊ C2×AGL(1,𝔽19)
SylowC19 ⋊ C2×C7×D7⋊C9

Subgroups

subgroupG/H
center, hypercenterC7#14558802⋊C2
commutator, hypocenterC7×C19C22×C7×C9
FrattiniC1G
Fitting, socleC72×C19C22×C9
prime radicalC7×D7×D19⋊C3C3
cosocleC7×C19⋊C3C22×C3×C7
LCSG ▷ C7×C19
UCSC1 ◁ C7

128 conjugacy classes of subgroups; only the 44 normal subgroups are shown.

normal subgroups only

This group has 128 conjugacy classes of subgroups — too many to draw. Only its 44 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) = 798

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(33516, 808);