## 抽象代数代写| Permutations. Cycles

1. Permutation group Let $X$ be a finite set. Fo …

## 抽象代数代写| Lagrange’s theorem

1. Cosets and Lagrange’s theorem 2.&#x00A0 …

## 抽象代数代写| Cosets

1. Isomorphisms We see that cyclic group of orde …

## 抽象代数代写| Isomorphisms

1. Order of an element Recall that the order of …

## 抽象代数代写| Order of an element

1. Order of an element The study of cyclic subgr …

## 抽象代数代写| Cyclic subgroups

1. Lecture 8 Reference: Judson, Chapter $4.1$ 2. …

## 抽象代数代写| Cayley tables. Subgroups

1. Groups Last time we have introduced a notion …

## 抽象代数作业代写| Groups. First examples.

1. Groups Last time we have introduced laws of c …