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New posts in group-rings
Prove that the augmentation ideal in the group ring $\mathbb{Z}/p\mathbb{Z}G$ is a nilpotent ideal ($p$ is a prime, $G$ is a $p$-group)
abstract-algebra
ring-theory
finite-groups
representation-theory
group-rings
Which rings arise as a group ring?
group-theory
ring-theory
group-rings
Minimal counterexamples of the isomorphism problem for integral group rings
reference-request
ring-theory
finite-groups
open-problem
group-rings
Augmentation ideal of the group ring
abstract-algebra
group-theory
group-rings
Why is the constant term of $(1+x+y+xy)^n$ equal to $\frac{1}{2}\binom{2n}{n}$？
polynomials
induction
contest-math
noncommutative-algebra
group-rings
Isomorphism between $I_G/I_G^2$ and $G/G'$
group-theory
group-rings
When is a group ring an integral domain
abstract-algebra
ring-theory
group-rings
What does the group ring $\mathbb{Z}[G]$ of a finite group know about $G$?
finite-groups
representation-theory
group-cohomology
group-rings
How to think of the group ring as a Hopf algebra?
finite-groups
representation-theory
intuition
hopf-algebras
group-rings
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