To claim HOH you must pay more than half the total upkeep of the household *and* had a related person that you can claim as a dependent. Only one person in a household can pay more than half.
If your mother owns the home then then she is supplying the home, not you.
Use worksheet 2-1 to determine if you qualify.
https://www.irs.gov/publications/p17/ch02.html#en_US_2016_publink1000170809