Finite Group Databasebeta

C2×D21×#87704 #45692628

order33516
automorphism?
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C2

Aliases

direct productC2×D21×#87704
unambiguous semidirect product(C2×C3)⋊(D7×#87704)

Splittings

Fitting, socleC2×C3×C72×C19 ⋊ C2×C3
derivedC3×C72×C19 ⋊ C22×C3
HallC3×C7×#87704 ⋊ C22
HallC72×C19 ⋊ C2×C3×D3
SylowC72 ⋊ C2×D3×C19⋊C3
SylowC19 ⋊ C2×ΓL(1,𝔽8)×D21

Subgroups

subgroupG/H
center, hypercenterC2D21×#87704
commutator, cosocle, hypocenterC3×C72×C19C22×C3
FrattiniC1G
Fitting, socleC2×C3×C72×C19C2×C3
LCSG ▷ C3×C72×C19
UCSC1 ◁ C2

184 conjugacy classes of subgroups; only the 55 normal subgroups are shown.

normal subgroups only

This group has 184 conjugacy classes of subgroups — too many to draw. Only its 55 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) = 4788

Conjugacy classes & character table

1128 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(33516, 1426);