Steps To Reproduce

B = QuaternionAlgebra(-4, -28)
B.maximal_order()

Expected Behavior

work

Actual Behavior

not

Additional Information

Not sure if this is normal, as I don't have enough quaternion knowledge to determine.

@yyyyx4

Environment

N/A

Checklist

• I have searched the existing issues for a bug report that matches the one I want to file, without success.
• I have read the documentation and troubleshoot guide