If I have an abelian group A that is the direct sum of cyclic groups, say(adsbygoogle = window.adsbygoogle || []).push({});

A=[tex]C_5 \oplus C_35[\tex], would I be right in saying the annihilator of A (viewed as a Z-module) is generated by (5,35)? If not, how do I find it?

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Belian group A that is the direct sum of cyclic groups

**Physics Forums | Science Articles, Homework Help, Discussion**