Difference between revisions of "C2"
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== Blocks with defect group <math>C_2</math> == | == Blocks with defect group <math>C_2</math> == | ||
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| − | |<math>M(2,1,1)</math> || <math>kC_2</math> ||2 ||1 |<math>1</math> ||<math>C_2</math> ||<math>k</math> | + | |<math>M(2,1,1)</math> || <math>kC_2</math> ||2 ||1 ||<math>1</math> ||<math>C_2</math> ||<math>k</math> ||1 ||1 || |
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Revision as of 11:45, 23 August 2018
Blocks with defect group [math]C_2[/math]
These are blocks with cyclic defect groups and so they are described by Brauer trees.
There is a unique [math]\mathcal{O}[/math]-Morita equivalence class.
| Class | Representative | [math]k(B)[/math] | [math]l(B)[/math] | Inertial quotients | [math]{\rm Pic}_\mathcal{O}(B)[/math] | [math]{\rm Pic}_k(B)[/math] | [math]{\rm mf_\mathcal{O}(B)}[/math] | [math]{\rm mf_k(B)}[/math] | Notes |
|---|---|---|---|---|---|---|---|---|---|
| [math]M(2,1,1)[/math] | [math]kC_2[/math] | 2 | 1 | [math]1[/math] | [math]C_2[/math] | [math]k[/math] | 1 | 1 |
