Direct Product of Groups

Direct Product Of Groups

In the mathematical field of group theory, the direct product is an operation that takes two groups G and H and constructs a new group, usually denoted G × H. This operation is the group-theoretic analogue of the Cartesian product of sets, and is one of several important notions of direct product in mathematics.

In the context of abelian groups, the direct product is sometimes referred to as the direct sum, and is denoted GH. Direct sums play an important role in the classification of abelian groups: according to fundamental theorem of finite abelian groups, every finite abelian group can be expressed as the direct sum of cyclic groups.

Read more about Direct Product Of Groups:  Definition, Examples, Elementary Properties, Algebraic Structure

Famous quotes containing the words direct, product and/or groups:

    In Europe life is histrionic and dramatized, and ... in America, except when it is trying to be European, it is direct and sincere.
    William Dean Howells (1837–1920)

    The guys who fear becoming fathers don’t understand that fathering is not something perfect men do, but something that perfects the man. The end product of child raising is not the child but the parent.
    Frank Pittman (20th century)

    Under weak government, in a wide, thinly populated country, in the struggle against the raw natural environment and with the free play of economic forces, unified social groups become the transmitters of culture.
    Johan Huizinga (1872–1945)