Difference between revisions of "C4"
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== Blocks with defect group <math>C_4</math> == | == Blocks with defect group <math>C_4</math> == | ||
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− | |[[M(4,1,1) | + | |[[M(4,1,1)]] || <math>kC_4</math> ||4 ||1 ||<math>1</math> ||<math>D_8</math> || ||1 ||1 |
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Revision as of 14:44, 8 September 2018
Blocks with defect group [math]C_4[/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 |
---|---|---|---|---|---|---|---|---|---|
M(4,1,1) | [math]kC_4[/math] | 4 | 1 | [math]1[/math] | [math]D_8[/math] | 1 | 1 |