List questions from profinite-groups | MathQa

Cohomology of closed subgroup of profinite group

Published on 05 Jun 2025 - 5:34

Non-open subgroups of finite index in the idele class group of a number field

Published on 06 Jun 2025 - 4:46

Is the sequence $1\rightarrow[\widehat{F_2},\widehat{F_2}]\rightarrow \widehat{F_2}\rightarrow\widehat{\mathbb{Z}}^2\rightarrow 1$ split?

Published on 05 Jun 2025 - 5:51

Is every finite 2-generated group a quotient of a Frattini-free 2-generated group?

Published on 05 Jun 2025 - 5:51

Closure in profinite topology

Published on 05 Jun 2025 - 5:51

What does $\widehat{\mathbb{Z}}(1)$ mean?

Published on 05 Jun 2025 - 5:52

Is the commutator subgroup of a profinite group closed?

Published on 05 Jun 2025 - 5:52

Pro-alternating completion of a free group

Published on 05 Jun 2025 - 5:52

homomorphism of profinite groups

Published on 05 Jun 2025 - 12:33

Describing the clopen sets of a profinite group

Published on 03 Jun 2025 - 15:55