How to Find the Subgroup of a Quotient Group with a Given Generator?

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SUMMARY

This discussion focuses on finding the subgroup of a quotient group, specifically using the example of the group Z/nZ where n is large. The key method involves enumerating the elements generated by the given generator until the identity element is reached. This approach clarifies the process of identifying subgroups within quotient groups effectively.

PREREQUISITES
  • Understanding of quotient groups in group theory
  • Familiarity with the structure of Z/nZ groups
  • Knowledge of group operations and identity elements
  • Basic concepts of generators in abstract algebra
NEXT STEPS
  • Study the properties of quotient groups in group theory
  • Learn about generators and their role in subgroup formation
  • Explore examples of Z/nZ with various values of n
  • Investigate algorithms for subgroup enumeration in finite groups
USEFUL FOR

Students of abstract algebra, mathematicians interested in group theory, and anyone looking to deepen their understanding of subgroup structures within quotient groups.

physix123
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i am confused about how to find the subgroup of a quotient group given a generator. for example, a lot of problems give as the group Z/nZ with n very large. how do you find the subgroup given a generator?

thanks!
 
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Given a generator of the subgroup? Just enumerate the elements you obtain by performing the group's operation on the generator until you get the identity...or am I misunderstanding what you are asking...?
 

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