What did you say about yourself on your own tax return? If your mother can claim you then you were supposed to say that you can be claimed as someone else's dependent. Is that what you said? Did you e-file? Dependents do not get stimulus checks. Parents of dependents get the stimulus checks.
https://ttlc.intuit.com/community/dependents/help/when-do-i-have-to-answer-yes-to-being-claimed-as-a...
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