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Lecturer in Mathematics,

University of South Wales.

Honorary Lecturer in Mathematics,

University of Bristol

dan (dot) fretwell (at) southwales (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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