Finite Group Databasebeta

C2×D7×ΓL(1,𝔽16) #13132941

order1680
isoclinismisoclinic class of D7×ΓL(1,𝔽16)
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

direct productC2×D7×ΓL(1,𝔽16)
unambiguous semidirect productD5⋊(Dic3×D7)
unambiguous semidirect product(D5×D7)⋊Dic3

Splittings

Fitting, socleC2×C3×C5×C7 ⋊ C2×C4
derived, HallC3×C5×C7 ⋊ C22×C4
HallC5×C7 ⋊ C22×Dic3
HallC3×C7 ⋊ C22×AGL(1,𝔽5)
HallC3×C5 ⋊ C2×C4×D7
SylowC7 ⋊ C22×ΓL(1,𝔽16)
SylowC5 ⋊ C2×Dic3×D7
SylowC3 ⋊ C2×D7×AGL(1,𝔽5)

Subgroups

subgroupG/H
center, hypercenterC2D7×ΓL(1,𝔽16)
commutator, hypocenterC3×C5×C7C22×C4
FrattiniC1G
Fitting, socleC2×C3×C5×C7C2×C4
prime radicalC2×C3×D5×D7C2
cosocleC3×C7×D5C23
LCSG ▷ C3×C5×C7
UCSC1 ◁ C2

216 conjugacy classes of subgroups; only the 70 normal subgroups are shown.

normal subgroups only

This group has 216 conjugacy classes of subgroups — too many to draw. Only its 70 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 210

Conjugacy classes & character table

90 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×AGL(1,𝔽7)×ΓL(1,𝔽16), C2×D3×D7×AGL(1,𝔽5), D3×D7×ΓL(1,𝔽16), …
maximal normal subgroup ofC2×AGL(1,𝔽7)×ΓL(1,𝔽16), C2×D3×D7×AGL(1,𝔽5)
maximal quotient ofD3×D7×ΓL(1,𝔽16), D7×D5⋊ΓL(1,𝔽16)

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1680, 961);