Finite Group Databasebeta

D7×D457 #27165352

order12796
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

direct productD7×D457
unambiguous semidirect product(D7×C457)⋊C2
unambiguous semidirect product(C7×D457)⋊C2
unambiguous semidirect productD3199⋊C2

Splittings

Fitting, socle, derived, HallC7×C457 ⋊ C22
SylowC457 ⋊ C2×D7
SylowC7 ⋊ C2×D457

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC7×C457C22
LCSG ▷ C7×C457
UCSC1

20 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

1150 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#34063056⋊C2, #34063057⋊C2, AGL(1,𝔽7)×D457, …
maximal normal subgroup of#34063056⋊C2, #34063057⋊C2, AGL(1,𝔽7)×D457, …
maximal quotient ofC3×D7×D457, D21×D457, D7×D1371, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(12796, 8);