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15
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Isomorphism problem for the center of modular group algebras

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#abstract-algebra #finite-groups #group-isomorphism #p-groups
41
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Deduce Schur-Zassenhaus theorem from Wedderburn-Malcev theorem?

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#abstract-algebra #finite-groups
57
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Bounding the exponent in unit groups of modular group algebras

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#abstract-algebra #finite-groups #finite-fields #p-groups #associativity
472
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Dualizing from co-invariants to invariants

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#group-theory #finite-groups #representation-theory #homology-cohomology
150
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How many different ways can $\mathbb{Z}_3$ act on the set $\{1, 2, 3, 4\}$

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#group-theory #finite-groups #group-actions
611
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Misunderstanding of Sylow theory

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#group-theory #finite-groups #sylow-theory
132
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Proof Verification: Classify all groups of order 6

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#group-theory #proof-verification #finite-groups
82
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Do there exist (non-trivial) prime solutions to the equations $p^2 = 1$ mod $q$, $q = 1$ mod $p$?

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#group-theory #finite-groups #modular-arithmetic #diophantine-equations #sylow-theory
117
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Normal subgroup with index that divides n!

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#group-theory #finite-groups #permutations
138
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Minimal order of a counterexample to Wall’s conjecture

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#group-theory #finite-groups #examples-counterexamples #conjectures #maximal-subgroup
118
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A proof about Automorphism in congruence class

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#abstract-algebra #group-theory #finite-groups #group-isomorphism #automorphism-group
336
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Size of conjugacy class of a quotient group

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#group-theory #finite-groups #quotient-group
453
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Number of subgroups of an abelian p-group

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#group-theory #finite-groups #abelian-groups
235
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The number of groups $G$ (up to isomorphism) such that $G/\mathbb{Z}_3\cong D_{2n}$

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#group-theory #finite-groups #dihedral-groups #group-extensions
570
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How do basic results in representation theory change going to positive characteristic fields and/or not algebraically closed?

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#finite-groups #representation-theory #abelian-groups

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