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2 $B0J>e$N<+A3?t(B $a$ $B$r8GDj$7(B, $p$ $B$r4qAG?t(B ($(a,p)=1$), $D_a(p)$ $B$r(B $Z/pZ^\times$$B$G$N(B $a$ $B$N0L?t(B ($B>jM>0L?t(B) $B$H$9$k(B. $D_a(p)$ $B$,AG?t(B $q$ $B$G3d$j@Z$l$k(B $p$ $B$N<+A3L)EY(B $\Delta_a(q,0)$ $B$O5a$a$i$l$F$$$k(B. $B$o$l$o$l$O(B, $BJL$K@0?t(B $b$ $B$r$H$j(B,$D_a(p)$ $B$,AG?t(B $q$ $B$G3d$j@Z$l(B, $B$+$D(B $(b/p)=1$ $B$H$J$kAG?t(B $p$ $B$N<+A3L)EY$r(B,$a,b$ $B$X$N7Z$$@)8B$N$b$H$G5a$a$?(B ($(b/p)$ $B$O(B Legendre $B5-9f(B). $B$=$l$O(B$\Delta_a(q,0)$ $B$NH>J,$K$J$k$N$,<+A3$@$,(B, $a, b$ $B$,1F6A$79g$C$F$=$&$J$i$J$$>l9g$b$"$k(B. $B$=$N>u67$rD4$Y$k$N$,L\E*$G$"$k(B. $B$^$?7W;;5!
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$Date: 2013/11/15 04:47:12 $+ 9:00:00 (JST)