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<h1 align=center> Landau-Siegel zeros
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A zero of $L(s,\chi)$ which is very close to $s=1$ is called
a {\it Landau-Siegel zero}, often shortened to
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Back to the 
<a href="http://www.aimath.org/WWN/rh/"> main index</a> 
for The Riemann Hypothesis.
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