New posts in Group Isomorphism

Constructing an isomorphism of group products

Proving $(\Bbb R,+)$ has no proper subgroup isomorphic to itself

$f: G \to \mathbb{C}^*$ is a homomorphism. Show that the sum $\sum f (g) = 0$ or $n$

Is $S_4 \times C_2$ isomorphic to $(C_2 \times C_2 \times C_2) \rtimes S_3$

Affine Transformations isomorphic to Heisenberg group

How to show that $Z/12Z×Z/90Z×Z/25Z$ and $Z/100Z×Z/30Z×Z/9Z$ are isomorph?

Listing methods to prove that two groups are not isomorphic

Show that $\mathbb{Z}$ is isomorphic to $n\mathbb{Z}$.

In general, what techniques can be used to show that 2 groups are not isomorphic?

Is R/Z isomorphic to R/2Z?