D8xC2
Revision as of 11:21, 4 January 2019 by Charles Eaton (talk | contribs)
Blocks with defect group [math]D_8 \times C_2[/math]
The invariants [math]k(B)[/math], [math]k_i(B)[/math] and [math]l(B)[/math] are determined in [Sa12]. There is as yet no classification of blocks with these defect groups, and Donovan's conjecture is not known in any form.
CLASSIFICATION INCOMPLETE
Class | Representative | # lifts / [math]\mathcal{O}[/math] | [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(16,11,1) | [math]k(D_8 \times C_2)[/math] | ? | 10 | 1 | [math]1[/math] | 1 | ||||
M(16,11,2) | [math]B_0(k(PGL_2(5) \times C_2))[/math] | ? | 10 | 2 | [math]1[/math] | 1 | ||||
M(16,11,3) | [math]k(S_4 \times C_2)[/math] | ? | 10 | 2 | [math]1[/math] | 1 | ||||
M(16,11,4) | [math]B_0(k(PSL_2(9) \times C_2))[/math] | ? | 10 | 3 | [math]1[/math] | 1 | ||||
M(16,11,5) | [math]B_0(k(A_7 \times C_2))[/math] | ? | 10 | 3 | [math]1[/math] | 1 | ||||
M(16,11,6) | [math]B_0(k(PSL_2(7) \times C_2))[/math] | ? | 10 | 3 | [math]1[/math] | 1 |