Finite Group Databasebeta

D21×C269 #26015103

order11298
isoclinismisoclinic class of D21
automorphism?
homologyAbelianization (H1) = C2×C269 · Schur multiplier (H2) = C1

Aliases

direct productD21×C269
unambiguous semidirect productC3⋊(D7×C269)
unambiguous semidirect productC7⋊(D3×C269)

Splittings

Fitting, socle, HallC3×C7×C269 ⋊ C2
derived, HallC3×C7 ⋊ C2×C269
HallC7×C269 ⋊ D3
HallC3×C269 ⋊ D7
SylowC7 ⋊ D3×C269
SylowC3 ⋊ D7×C269

Subgroups

subgroupG/H
center, hypercenterC269D21
commutator, cosocle, hypocenterC3×C7C2×C269
FrattiniC1G
Fitting, socleC3×C7×C269C2
LCSG ▷ C3×C7
UCSC1 ◁ C269

16 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

3228 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD21×D269, D3×D7×C269, D21⋊D269, …
maximal normal subgroup ofD21×D269, D3×D7×C269, D21⋊D269, …
maximal quotient ofDic21×C269, C2×D21×C269, D63×C269, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(11298, 8);