Research Fellow in Number Theory,
School of Mathematics,
University of Bristol.
daniel.fretwell@bristol.ac.uk
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Kneser neighbour data for genera of even unimodular lattices over real quadratic fields of discriminant under 50:
Table of (known) class numbers
Q(rt2) Q(rt3) Q(rt5)
Q(rt6) Q(rt7) Q(rt10)
Q(rt11) Q(rt13) Q(rt17)
Q(rt21) Q(rt29) Q(rt33)
Q(rt37) Q(rt41)