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Hilbert class field characterization
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Mathematics
Area of mathematics
Algebra
Algebraic number theory
Class field theory
Hilbert class field
2026-10-14
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The
Hilbert class field
is the maximal everywhere-unramified
abelian extension
of
a
number field
; its
Galois group
is canonically the
ideal class group
.
Ancestors
(7)
Hilbert class field
Class field theory
Algebraic number theory
Algebra
Area of mathematics
Mathematics
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Past exam of the mathematics course of the University of Cambridge
/
2012
/
iii
/
Paper 81
/
3
/
iii
/
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