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2016-07-06-063459-relative-charpoly.sagews
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Author:
William A. Stein
License:
GNU General Public License v3.0
Description:
Examples for support purposes.
K
.
<
a
>
=
NumberField
(
x
^
2
+
1
)
R
.
<
y
>
=
K
[
]
L
.
<
b
>
=
K
.
extension
(
y
^
2
+
2
*
a
*
y
+
1
)
L
Number Field in b with defining polynomial y^2 + 2*a*y + 1 over its base field
b
.
charpoly
(
)
x^2 + 2*a*x + 1