Direct product of Z2 and Z14

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Definition

This group is the external direct product of cyclic group:Z2 and cyclic group:Z14.


Properties

Property Satisfied? Explanation Comment
Abelian group Yes Abelianness is direct product-closed
Nilpotent group Yes Abelian implies nilpotent

GAP implementation

Group ID

This finite group has order 28 and has ID 4 among the groups of order 28 in GAP's SmallGroup library. For context, there are groups of order 28. It can thus be defined using GAP's SmallGroup function as:

SmallGroup(28,4)

For instance, we can use the following assignment in GAP to create the group and name it :

gap> G := SmallGroup(28,4);

Conversely, to check whether a given group is in fact the group we want, we can use GAP's IdGroup function:

IdGroup(G) = [28,4]

or just do:

IdGroup(G)

to have GAP output the group ID, that we can then compare to what we want.