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show(QuadraticField(-2))
Q(2)\Bold{Q}(\sqrt{-2})
%md(hide=0) $$\ZZ$$ $$\NN$$ $$\RR$$ $$\CC$$ $$\QQ$$ $$\QQbar$$ $$\GF{7^2}$$ $$\Zp{3}$$ $$\Qp{3}$$ $$\Zmod{7}$$ $$\CDF$$ $$\CIF$$ $$\CLF$$ $$\RDF$$ $$\RIF$$ $$\RLF$$ $$\CFF$$ $$\Bold{M}$$
Z\ZZN\NNR\RRC\CCQ\QQQ\QQbarF72\GF{7^2}Z3\Zp{3}Q3\Qp{3}Z/7Z\Zmod{7}C\CDFC\CIFC\CLFR\RDFIR\RIFR\RLFCFF\CFFM\Bold{M}