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(Non-)Morita invariance of the isomorphism type of a defect group
...ebras of p-groups are basic, it follows directly that the group algebras a Morita equivalent. ...12,453) and SmallGroup(512,456). These groups have cyclic derived subgroup of order four and nilpotency class three. They have presentations \[ \langle x

1 KB (204 words) - 12:30, 21 June 2021

Open problems
...phism type of a defect group|Is the isomorphism type of the defect group a Morita invariant?]] - no (see [[References#G|[GMdelR21]]]) * Is every Morita equivalence between <math>\mathcal{O}</math>-blocks endopermutation source?

1 KB (178 words) - 12:30, 21 June 2021
Miscallaneous results
== Blocks with basic algebras of low dimension == ...h basic algebras of low dimension|Main article: Blocks with basic algebras of low dimension]]

2 KB (289 words) - 14:51, 4 August 2022