Es sei D ≠ 0 , 1 {\displaystyle {}D\neq 0,1} quadratfrei. Bestimme die Restklassengruppe A D / Z [ D ] {\displaystyle {}A_{D}/\mathbb {Z} [{\sqrt {D}}]} .
![{\displaystyle {}A_{D}/\mathbb {Z} [{\sqrt {D}}]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/56060de83b829e33fb4cddc7daba789445c6f084)