Finite Group Databasebeta

C2×D7×C389 #24926224

order10892
isoclinismisoclinic class of D7
automorphism?
homologyAbelianization (H1) = C22×C389 · Schur multiplier (H2) = C2

Aliases

direct productC2×D7×C389
unambiguous semidirect productC7⋊(C22×C389)
unambiguous semidirect product(C2×C7)⋊(C2×C389)

Splittings

Fitting, socleC2×C7×C389 ⋊ C2
derived, SylowC7 ⋊ C22×C389
HallC7×C389 ⋊ C22

Subgroups

subgroupG/H
center, hypercenterC2×C389D7
commutator, cosocle, hypocenterC7C22×C389
FrattiniC1G
Fitting, socleC2×C7×C389C2
LCSG ▷ C7
UCSC1 ◁ C2×C389

20 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

3890 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC2×AGL(1,𝔽7)×C389, D3×D7×C389, C2×C3×D7×C389, …
maximal normal subgroup ofC2×AGL(1,𝔽7)×C389, C2×C3×D7×C389
maximal quotient ofD3×D7×C389, C2×C3×D7×C389, C2×D21×C389

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(10892, 10);