Matt Macauley on Twitter: "Let's summarize the groups of order 8. Notice our "rule of thumb": --Lots of elements of small order => lots of subgroups. --Few elements of small order =>
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The Free Modular Lattice on 3 Generators | The n-Category Café
Subgroup Lattices of Finite Cyclic Groups - Wolfram Demonstrations Project
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Lattice diagrams and associated digraphs. | Download Scientific Diagram
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quaternion group in nLab
DrawSubgroupLattice - Maple Help
abstract algebra - How to draw the subgroup diagram of $\Bbb{Z}_n$ for specific n? - Mathematics Stack Exchange
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