groups handwritten notes

82
Groups: Handwritten notes by Atiq ur Rehman http://www.MathCity.org/atiq Partial Contents 1. Groups; definition and examples 1 2. Order of group, order of element 3 3. Periodic group, mixed group 4 4. Subgroup 6 5. Invalution 8 6. Relation between groups, homomorphism, monomorphism, epimorphism, isomorphism, endomorphism, examples and related theorem 9 7. Kernel, definition and related theorems 13 8. Cyclic group, related theorems 18 9. Complex in a group, product of complexes and related theorems 24 10. Coset, definition and examples 30 11. Index of subgroup, Lagrange’s theorem 31 12. Double coset, related theorem 33 13. Normalizer, definition and related theorems 34 14. Centralizer, centre of group, related theorem 36 15. Conjugate or transform of a group, definition and related theorems 37 a

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A handwritten notes of groups, usually teaches in universities of Pakistan. Best to prepare a Group section of Algebra paper in MSc.

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Page 1: Groups Handwritten Notes

Groups: Handwritten notes

by

Atiq ur Rehman

http://www.MathCity.org/atiq

Partial Contents

1. Groups; definition and examples 1

2. Order of group, order of element 3

3. Periodic group, mixed group 4

4. Subgroup 6

5. Invalution 8

6. Relation between groups, homomorphism, monomorphism, epimorphism, isomorphism,

endomorphism, examples and related theorem 9

7. Kernel, definition and related theorems 13

8. Cyclic group, related theorems 18

9. Complex in a group, product of complexes and related theorems 24

10. Coset, definition and examples 30

11. Index of subgroup, Lagrange’s theorem 31

12. Double coset, related theorem 33

13. Normalizer, definition and related theorems 34

14. Centralizer, centre of group, related theorem 36

15. Conjugate or transform of a group, definition and related theorems 37

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16. Self conjugate, conjugancy class, related theorem 40

17. Class equation, p-group, definition and related theorems 43

18. Conjugate subgroup, definition and related theorems 45

19. Normal subgroup, definition and related theorems 49

20. Factor or quotient group, definition and related theorem 53

21. 1st isomorphism theorem, related theorem 55

22. 2nd isomorphism theorem 58

23. 3rd isomorphism theorem 60

24. Endomorphism, automorphism, definition and related theorem 62

25. Conjugation as an automorphism 64

26. Inner and outer automorphism, definition and related theorems 65

27. Commutator of a group, definition and related theorem 70

28. Derive group or commutative group, definition and related theorem 71

29. Direct product of groups, definition and related theorems 73

30. Invariant subgroup 79

31. Characteristic subgroup 80‘

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you have anything (notes, model paper, old paper etc.) to share with other peoples, you

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MathCity.org Merging man and maths

Groups (Handwritten notes) Written by: Atiq ur ReWritten by: Atiq ur ReWritten by: Atiq ur ReWritten by: Atiq ur Rehman, Class: BS or MSc (Maths)hman, Class: BS or MSc (Maths)hman, Class: BS or MSc (Maths)hman, Class: BS or MSc (Maths)

Available online at http://www.MathCity.org , Version: 1.0.0

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**********************************************

Available online at http://www.MathCity.org

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Discuss your problems at http://forum.mathcity.org

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**********************************************

Available online at http://www.MathCity.org

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***************************************************************

� FSc

� BSc

� MSc / BS

� MPhil / MS

� PhD

� Old Papers / Entry Test

o Check out all these at

� http://www.MathCity.org

***************************************************************

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**********************************************

Available online at http://www.MathCity.org

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Ask questions at http://forum.mathcity.org

**********************************************

***************************************************************

� FSc

� BSc

� MSc / BS

� MPhil / MS

� PhD

� Old Papers / Entry Test

o Check out all these at

� http://www.MathCity.org

***************************************************************

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***************************************************************

� FSc

� BSc

� MSc / BS

� MPhil / MS

� PhD

� Old Papers / Entry Test

o Check out all these at

� http://www.MathCity.org

***************************************************************

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