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Lecturer of Mathematics,

University of Lancaster

Honorary Research Fellow,

University of Bristol

d (dot) fretwell (at) lancaster (dot) ac (dot) uk

daniel (dot) fretwell (at) bristol (dot) ac (dot) uk

Dr. Dan Fretwell

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)

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