Number of Subgroups of \(\langle \mathbb{Z}_a \times \mathbb{Z}_b \rangle\)
Note 1: ETH::DiskMat
Deck: ETH::DiskMat
Note Type: Horvath Classic
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Note Type: Horvath Classic
GUID:
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Number of Subgroups of \(\langle \mathbb{Z}_a \times \mathbb{Z}_b \rangle\)
\(\sum_{a|m \land b|n} \gcd(a, b)\)
Field-by-field Comparison
| Field | Before | After |
|---|---|---|
| Front | Number of Subgroups of \(\langle \mathbb{Z}_a \times \mathbb{Z}_b \rangle\) | |
| Back | \(\sum_{a|m \land b|n} \gcd(a, b)\) |