Iwasawa Invariants of Some Non-Cyclotomic mathbb Z_p-extensions
classification
🧮 math.NT
keywords
extensionsinvariantsiwasawamathbbnon-cyclotomicevaluatedexplicitlyinvariant
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Iwasawa showed that there are non-cyclotomic $\mathbb Z_p$-extensions with positive $\mu$-invariant. We show that these $\mu$-invariants can be evaluated explicitly in many situations when $p=2$ and $p=3$.
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