Welcome to mathimatikoi.org;a forum of university mathematics. Enjoy your stay here.

abstract algebra

Linear Algebra, Algebraic structures (Groups, Rings, Modules, etc), Galois theory, Homological Algebra
Post Reply
Asis ghosh
Articles: 0
Posts: 9
Joined: Mon Feb 05, 2018 4:22 am

abstract algebra

#1

Post by Asis ghosh » Sun Feb 11, 2018 6:14 am

Construct a group $G$ such that $G$ has a normal subgroup $N$ and $N$ has a normal subgroup $M$ (i.e. $N\vartriangleleft{G}\,,\; M\vartriangleleft{N}$), yet $M$ is not normal in $G$.
Last edited by admin on Sun Feb 11, 2018 2:51 pm, edited 1 time in total.
Reason: Replace image file with LaTeX
Post Reply