category of groups

Notation Grp\Grp Objects groups Morphisms group homomorphisms Related FinGrp\FinGrpGrpc\Grp_\cAb\AbMon\MonSemiGrp\SemiGrp External nLab Link

This is the prototype of a one-sorted finitary algebraic category.

Satisfied Properties

Assigned properties

Deduced properties

Unsatisfied Properties

Assigned properties

Deduced properties*

*This also uses the deduced satisfied properties.

Unknown properties

Special objects

  • terminal object: trivial group
  • initial object: trivial group
  • products: direct products with pointwise operations
  • coproducts: free products

Special morphisms

  • isomorphisms: bijective morphisms
  • monomorphisms: injective morphisms
  • epimorphisms: surjective morphisms
  • regular monomorphisms: same as monomorphisms
  • regular epimorphisms: surjective morphisms

Functors

The database stores 12 functors based on the category of groups.

Morphisms

The database stores 2 morphisms based on the category of groups.