. We say a finite group G is Lagrangian if it has a subgroup of order d for any d ||G|. For orom
. We say a finite group G is Lagrangian if it has a subgroup of order d for any d ||G|. For orom
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter4: More On Groups
Section4.4: Cosets Of A Subgroup
Problem 22E: Lagranges Theorem states that the order of a subgroup of a finite group must divide the order of the...
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![7. We say a finite group G is Lagrangian if it has a subgroup of order d for any d | |G|.
For example:
1
• We proved that if G is a finite cyclic group, then G has exactly one subgroup
of order d for each d |G|. Hence every finite cyclic group is Lagrangian.
Every finite p-group is Lagrangian by the first Sylow theorem.
● A4 is not Lagrangian since it has no subgroup of order 6.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff2e948f6-fd6f-485f-942e-c931230f8579%2F39be9542-98aa-4fae-8681-780112b683a4%2Fi99vcee_processed.jpeg&w=3840&q=75)
Transcribed Image Text:7. We say a finite group G is Lagrangian if it has a subgroup of order d for any d | |G|.
For example:
1
• We proved that if G is a finite cyclic group, then G has exactly one subgroup
of order d for each d |G|. Hence every finite cyclic group is Lagrangian.
Every finite p-group is Lagrangian by the first Sylow theorem.
● A4 is not Lagrangian since it has no subgroup of order 6.
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