Difference between revisions of "C4xC2"

From Block library
Jump to: navigation, search
(Created page with "== Blocks with defect group <math>C_4 \times C_2</math> == <math>{\rm Aut}(C_4 \times C_2)</math> is an abelian <math>2</math>-group and so every block with this defect group...")
 
Line 1: Line 1:
 +
__NOTITLE__
 +
 
== Blocks with defect group <math>C_4 \times C_2</math> ==
 
== Blocks with defect group <math>C_4 \times C_2</math> ==
  
Line 19: Line 21:
  
 
|-
 
|-
|<math>M(8,2,1)</math> || <math>k(C_4 \times C_2)</math> ||8 ||1 ||<math>1</math> || <math>(C_4 \times C_2):(C_2 \times C_2 \times C_2)</math> || ||1 ||1 ||  
+
|M(8,2,1) || <math>k(C_4 \times C_2)</math> ||8 ||1 ||<math>1</math> || <math>(C_4 \times C_2):(C_2 \times C_2 \times C_2)</math> || ||1 ||1 ||  
 
|}
 
|}

Revision as of 16:07, 8 September 2018

Blocks with defect group [math]C_4 \times C_2[/math]

[math]{\rm Aut}(C_4 \times C_2)[/math] is an abelian [math]2[/math]-group and so every block with this defect group is nilpotent.

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(8,2,1) [math]k(C_4 \times C_2)[/math] 8 1 [math]1[/math] [math](C_4 \times C_2):(C_2 \times C_2 \times C_2)[/math] 1 1