Answer: invariant

AnswerCrossword Clue
INVARIANTConstant.
INVARIANTConstant
INVARIANTWHERE'S THE ARIAN?
invariant(of a subgroup) having the property that the same set of elements results when all the elements of the subgroup are operated on consistently on the left and consistently on the right by any element of the group; invariant
invariantquantity or expression that is constant throughout a certain range of conditions
invariantnot varying / an invariant quantity
invariantunvarying; invariable; constant