Finite Group Databasebeta

C2×D21×C71 #20238564

order5964
isoclinismisoclinic class of D21
automorphism?
homologyAbelianization (H1) = C22×C71 · Schur multiplier (H2) = C2

Aliases

direct productC2×D21×C71
unambiguous semidirect product(C2×C3)⋊(D7×C71)
unambiguous semidirect product(C2×C7)⋊(D3×C71)

Splittings

Fitting, socleC2×C3×C7×C71 ⋊ C2
derived, HallC3×C7 ⋊ C22×C71
HallC3×C7×C71 ⋊ C22
HallC7×C71 ⋊ C2×D3
HallC3×C71 ⋊ C2×D7
SylowC7 ⋊ C2×D3×C71
SylowC3 ⋊ C2×D7×C71

Subgroups

subgroupG/H
center, hypercenterC2×C71D21
commutator, hypocenterC3×C7C22×C71
FrattiniC1G
Fitting, socleC2×C3×C7×C71C2
LCSG ▷ C3×C7
UCSC1 ◁ C2×C71

40 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

1704 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC2×C71×D63, C2×C71×C3⋊AGL(1,𝔽7), D3×D21×C71, …
maximal normal subgroup ofC2×C71×C3⋊AGL(1,𝔽7), C2×C3×D21×C71, C2×D21×C71⋊C5, …
maximal quotient ofC2×C71×D63, D3×D21×C71, C2×C71×C3⋊D21, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(5964, 43);