Finite Group Databasebeta

C2×C52×D21 #14523680

order2100
isoclinismisoclinic class of D21
automorphism?
homologyAbelianization (H1) = C22×C52 · Schur multiplier (H2) = C2×C5

Aliases

direct productC2×C52×D21
unambiguous semidirect product(C2×C3)⋊(C52×D7)
unambiguous semidirect product(C2×C7)⋊(C52×D3)

Splittings

Fitting, socleC2×C3×C52×C7 ⋊ C2
derived, HallC3×C7 ⋊ C22×C52
HallC3×C52×C7 ⋊ C22
HallC52×C7 ⋊ C2×D3
HallC3×C52 ⋊ C2×D7
SylowC7 ⋊ C2×C52×D3
SylowC3 ⋊ C2×C52×D7

Subgroups

subgroupG/H
center, hypercenterC2×C52D21
commutator, cosocle, hypocenterC3×C7C22×C52
FrattiniC1G
Fitting, socleC2×C3×C52×C7C2
LCSG ▷ C3×C7
UCSC1 ◁ C2×C52

160 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1050

Conjugacy classes & character table

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

Relationships

maximal subgroup ofC2×C52×D147, C52×D7×D21, C2×C52×C3⋊(C7⋊D7), …
maximal normal subgroup ofC2×C52×C7×D21, C2×C52×C11×D21, C2×C52×C13×D21, …
maximal quotient ofC2×C52×D147, C52×D7×D21, C2×C52×C3⋊(C7⋊D7), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2100, 160);