I understand that the name Jesus was not uncommon 2000 years ago, and Jewish writings about the person of historical interest to the Christian Church call him "Yeshu ha-Notzri" = "Jesus the Nazarene". I understand the Talmud talks about him. Where and what does it say?"
The claim that Jesus is mentioned in the talmud, or alluded to through a code name is not new. This website goes through the sources and shows that the premise might be false.
The Jewish Press here summarizes some of the ideas in a single essay. Here's part of it:
As it turns out, every allegation about Talmudic anti-Christian texts is based on the creative deconstruction of references to various sinners and alleging that these actually refer to Christian figures. The deconstruction operates even when the sinner in question has a completely different name, or no name.