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Notes
School: CSU Channel Islands
Math 120A  An Introduction to Group Theory Neil Donaldson Spring 2009 Text An Introduction to Abstract Algebra, John Fraleigh, 7th Ed 2003, AdisonWesley (optional). Also check the library for entries under "Group Theory" and "(Abstract) Algebra".

A4
School: CSU Channel Islands
Subgroups of A4 The alternating group A4 is written in cyclic notation as follows: A4 = {e, (12)(34), (13)(24), (14)(23), (123), (132), (124), (142), (134), (143), (234), (243)}. We nd its subgroups. By Lagranges theorem, the proper subgroups of A4 c

Hw5
School: CSU Channel Islands
Math 120A Introduction to Group Theory: Question sheet 5 Hand in questions 2, 3 & 4 at lecture Friday May 8th 1. Give examples of two distinct groups of order 720, one Abelian, the other not, stating which is which. 2. In this question we work in the

Hw3
School: CSU Channel Islands
Math 120A Introduction to Group Theory: Question sheet 3 Hand in questions 1(b), 3 & 5 at the lecture on Friday 17th April 1. For each of the following sets with operation ( G, ), briey show which of the group axioms are satised and which are not. (a

Syllabus
School: CSU Channel Islands
Algebra 120 B Syllabus L. Katzarkov, MWF 10 10 50 a.m. HICF 100L TA N. Alexander. The main goal is to understand the basics and learn some techniques. Ideas from abstract algebra will be introduced in order to prepare you for future research applica