Finite Group Databasebeta

C5×D3×C17×D21 #36339495

order21420
automorphism?
homologyAbelianization (H1) = C22×C5×C17 · Schur multiplier (H2) = C2

Aliases

direct productC5×D3×C17×D21
unambiguous semidirect product(C3×D3)⋊(C5×D7×C17)
unambiguous semidirect product(D3×C7)⋊(C5×D3×C17)

Splittings

Fitting, socle, HallC32×C5×C7×C17 ⋊ C22
derived, HallC32×C7 ⋊ C22×C5×C17
HallC32×C7×C17 ⋊ C22×C5
HallC32×C5×C17 ⋊ C2×D7
HallC5×C7×C17 ⋊ D32
HallC32×C5×C7 ⋊ C22×C17
HallC32×C17 ⋊ C2×C5×D7
HallC7×C17 ⋊ C5×D32
HallC32×C5 ⋊ C2×D7×C17
HallC5×C7 ⋊ D32×C17
SylowC32 ⋊ C2×C5×D7×C17
SylowC7 ⋊ C5×D32×C17

Subgroups

subgroupG/H
center, hypercenterC5×C17D3×D21
commutator, cosocle, hypocenterC32×C7C22×C5×C17
FrattiniC1G
Fitting, socleC32×C5×C7×C17C22
LCSG ▷ C32×C7
UCSC1 ◁ C5×C17

176 conjugacy classes of subgroups; only the 64 normal subgroups are shown.

normal subgroups only

This group has 176 conjugacy classes of subgroups — too many to draw. Only its 64 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) = 3570

Conjugacy classes & character table

3060 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(21420, 327);