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Minkowski lower bound for a number-field discriminant
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Mathematics
Area of mathematics
Algebra
Algebraic number theory
Ideal class group
Minkowski's bound
Created
2026-09-28
Updated
2026-10-14
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Since every nonzero
integral ideal
has
norm
at least one, the
Minkowski bound for ideal classes
implies
∣
d
K
∣
≥
(
4
π
)
2
r
2
(
n
!
n
n
)
2
(1)
for every
number field
of degree
n
and signature
(
r
1
,
r
2
)
.
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(7)
Minkowski's bound
Ideal class group
Algebraic number theory
Algebra
Area of mathematics
Mathematics
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Coprime discriminants imply linear disjointness
Past exam of the mathematics course of the University of Cambridge
/
2001
/
iii
/
Paper 74
/
5
/
ii
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2021
/
iii
/
Paper 123
/
4
/
i
/
Solution
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