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Given a lattice L with n elements, are there finite groups H < G such that L $\cong$ the lattice of subgroups between H and G?

feb 22 12 at 23:21 William DeMeo 576●3●10

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What groups have a second maximal subgroup below exactly four maximal subgroups?

may 5 11 at 18:30 Jack Schmidt 7,375●1●19●35

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Which finite nonabelian groups have long chains of subgroups as intervals in their subgroup lattice?

apr 22 11 at 16:57 F. Ladisch 2,158●3●16

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Is the Invariant Subspace Problem interesting?

jan 30 at 9:39 Don Hadwin 61●1●1

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A basic question about selfnormalizing subgroups

dec 9 10 at 5:01 William DeMeo 576●3●10