A positive definite Hermitian lattice is called regular if it represents all integers which can be represented locally by the lattice. We investigate binary regular Hermitian lattices over imaginary quadratic fields Q and provide a complete list of the normal binary regular Hermitian lattices.
"Complete classification of binary normal regular Hermitian lattices." J. Math. Soc. Japan 63 (3) 1001 - 1025, July, 2011. https://doi.org/10.2969/jmsj/06331001