Finite Group Databasebeta

C3×C5×C7×D21 #17984405

order4410
isoclinismisoclinic class of D21
automorphism?
homologyAbelianization (H1) = C2×C3×C5×C7 · Schur multiplier (H2) = C1

Aliases

direct productC3×C5×C7×D21
unambiguous semidirect productC3⋊(C3×C5×C7×D7)

Splittings

Fitting, socle, HallC32×C5×C72 ⋊ C2
derivedC3×C7 ⋊ C2×C3×C5×C7
HallC32×C72 ⋊ C2×C5
HallC5×C72 ⋊ C3×D3
SylowC72 ⋊ C3×C5×D3
HallC32×C5 ⋊ C7×D7
SylowC32 ⋊ C5×C7×D7

Subgroups

subgroupG/H
center, hypercenterC3×C5×C7D21
commutator, cosocle, hypocenterC3×C7C2×C3×C5×C7
FrattiniC1G
Fitting, socleC32×C5×C72C2
LCSG ▷ C3×C7
UCSC1 ◁ C3×C5×C7

108 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 210

Conjugacy classes & character table

1260 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC3×C7×C25×D21, C3×C52×C7×D21, C3×C5×C7×D105
maximal normal subgroup ofC3×C7×C25×D21, C3×C52×C7×D21
maximal quotient ofC3×C7×C25×D21, C3×C52×C7×D21, C3×C5×C7×D105

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4410, 126);