The basis of a subgroup H⊂Z4

manpreet Best Answer 3 years ago

Dear fellow mathstack exchangers,

There is a question in my Abstract Algebra syllabus I have trouble with solving, the main problem is is that there is no clear description of the algorithm I need. Sorry for my lack of initiative, but I don`t know where to start. Here is the question:

Find the basis for the subgroup H⊂Z4H⊂Z4, given by

Thank you for the help!

PS: This is my first mathstack exchange post