Sum of an irreducible character over all $G$
98997
Sum of irreducible character values in a row of the character table
34386
Sum of a complex, finite geometric series and its identity
102432
Irreducible polynomial of degree $8$
145322
Sum of a Hyper-geometric series. (NBHM 2011)
113259
The confusing nature of direct sum for finite abelian groups
26908
Partial Sums of Geometric Series
125876
Sum and Product of Infinite Radicals
67243
Applications for the class equation from group theory
123595
Representations of Direct Sum of Lie Algebras
98544
Prove that in any GCD domain every irreducible element is prime
85222
Direct sum of finitely-many non-abelian groups
127310
Suppose $\gcd(\deg(f),\deg (g))=1$. Show that $g(x)$ is irreducible in $k(\alpha)[X]$.
126981
Character of $2x_1^2 + 5x_2^2 + 5x_3^2 + 4x_1x_2 - 4x_1x_3 - 8x_2x_3 $
102391
Abel summability under the hypothesis $a_n \ge 0$
50114
A question about direct sums and products of modules
92416
About a sum of Legendre symbols associated to an odd prime
93291
Method for determining irreducibles and factorising in $\mathbb Z[\sqrt{d}]$