Normalization of a Spherical Harmonic

[lavenderblue]

I need to show that the spherical harmonic, Y^-1 of l=1 is Normalized.

Y(m=-1, l=1) = sqrt(3/(8(pi))sin(theta)exp(-i(thi))

[dextercioby]

It's a right start, if you know the answer to this question: What does normalization mean ?