Cyclic Subgroups in Symmetric and Cyclic Groups

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SUMMARY

The discussion focuses on identifying the cyclic subgroups of the group G = H x K, where K is a cyclic group generated by x with 2 elements, and H is the symmetric group S3 with 6 elements. The elements of K are {1, x}, while H consists of {1, (12), (13), (23), (123), (132)}. Participants clarify that to find the cyclic subgroups of H x K, one must analyze the combinations of elements from both groups, recognizing that while each element can generate a cyclic group, many will generate the same subgroup, leading to a finite number of distinct cyclic subgroups.

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  • Understanding of cyclic groups and their properties.
  • Familiarity with symmetric groups, specifically S3.
  • Knowledge of group theory concepts, including subgroup generation.
  • Basic experience with Cartesian products of groups.
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  • Study the structure of cyclic groups and their generators.
  • Explore the properties of symmetric groups, focusing on S3.
  • Learn about subgroup lattice diagrams and how to visualize subgroups.
  • Investigate the concept of direct products in group theory.
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Mathematicians, students of abstract algebra, and anyone interested in group theory, particularly those studying cyclic and symmetric groups.

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Suppose K= < x > is a cyclic group with 2 elements and H= S3 is symmetric group with 6 elements. Find all different cyclic subgroups of G= H x K.

Now since K is generated by x with 2 elements, I have K= {1,x} and H= {1, (12), (13), (23), (123), (132)}

What I am confused about is finding cyclic subgroups of H x K. Am I supposed to be checking each element of H x K and seeing if it can generate the whole group?
 
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All elements of the group generate a cyclic group. Some of them generate the same cyclic group. You are just supposed to figure out how many there are. The whole group isn't cyclic.
 

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