Finite Group Databasebeta

C7×D7×D51 #23756246

order9996
automorphism?
homologyAbelianization (H1) = C22×C7 · Schur multiplier (H2) = C2

Aliases

direct productC7×D7×D51
unambiguous semidirect product(C3×D7)⋊(C7×D17)
unambiguous semidirect product(D7×C17)⋊(D3×C7)

Splittings

Fitting, socle, HallC3×C72×C17 ⋊ C22
derivedC3×C7×C17 ⋊ C22×C7
HallC72×C17 ⋊ C2×D3
HallC3×C72 ⋊ C2×D17
HallC3×C17 ⋊ C2×C7×D7
SylowC72 ⋊ C2×D51
SylowC17 ⋊ D3×C7×D7
SylowC3 ⋊ C7×D7×D17

Subgroups

subgroupG/H
center, hypercenterC7D7×D51
commutator, cosocle, hypocenterC3×C7×C17C22×C7
FrattiniC1G
Fitting, socleC3×C72×C17C22
LCSG ▷ C3×C7×C17
UCSC1 ◁ C7

104 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

945 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC7×D7×D153, D51×#64418, C7×AGL(1,𝔽7)×D51, …
maximal normal subgroup ofC7×AGL(1,𝔽7)×D51, D7×ΓL(1,𝔽8)×D51, D51×#64423, …
maximal quotient ofC7×D7×D153, C3×C7×D7×D51, C7×D21×D51, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(9996, 149);