Practice Lagrange's Theorem - 15.2.6 | 15. Subgroups | Discrete Mathematics - Vol 3
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15.2.6 - Lagrange's Theorem

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define a subgroup in your own words.

💡 Hint: Think about the properties a subset must hold to be a group.

Question 2

Easy

What does Lagrange's Theorem state?

💡 Hint: Consider how the number of elements correlates.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does Lagrange's Theorem state?

  • The sum of group elements
  • The order of a subgroup divides the order of the group
  • Subgroups are always finite

💡 Hint: Recall the relationship between group sizes.

Question 2

True or False: A subgroup can be empty.

  • True
  • False

💡 Hint: Link to the definition of subgroup.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given the group S3 (symmetric group of order 6), identify the subgroups and demonstrate how Lagrange’s Theorem applies.

💡 Hint: Use the concepts of permutations to explore subgroup structures.

Question 2

Construct a non-trivial group of order 12 and apply Lagrange’s Theorem to determine possible subgroup orders.

💡 Hint: List divisors of the group order and check group structure properties.

Challenge and get performance evaluation