Difference between revisions of "M(5,1,3)"

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Revision as of 19:55, 2 September 2018

M(5,1,3) - [math]B_0(kA_5)[/math]
[[File:|250px]]
Representative: [math]B_0(kA_5)[/math]
Defect groups: [math]C_5[/math]
Inertial quotients: [math]C_2[/math]
[math]k(B)=[/math] 4
[math]l(B)=[/math] 2
[math]{\rm mf}_k(B)=[/math] 1
[math]{\rm Pic}_k(B)=[/math]
Cartan matrix: [math]\left( \begin{array}{cc} 2 & 1 \\ 1 & 3 \\ \end{array} \right)[/math]
Defect group Morita invariant? Yes
Inertial quotient Morita invariant? Yes
[math]\mathcal{O}[/math]-Morita classes known? Yes
[math]\mathcal{O}[/math]-Morita classes: [math]B_0(\mathcal{O} A_5)[/math]
Decomposition matrices: [math]\left( \begin{array}{cc} 1 & 0 \\ 0 & 1 \\ 0 & 1 \\ 1 & 1 \\ \end{array}\right)[/math]
[math]{\rm mf}_\mathcal{O}(B)=[/math] 1
[math]{\rm Pic}_{\mathcal{O}}(B)=[/math] [math]\mathcal{T}(B)=C_4[/math]
[math]PI(B)=[/math] {{{PIgroup}}}
Source algebras known? Yes
Source algebra reps:
[math]k[/math]-derived equiv. classes known? Yes
[math]k[/math]-derived equivalent to: M(5,1,2)
[math]\mathcal{O}[/math]-derived equiv. classes known? Yes
[math]p'[/math]-index covering blocks: {{{coveringblocks}}}
[math]p'[/math]-index covered blocks: {{{coveredblocks}}}
Index [math]p[/math] covering blocks: {{{pcoveringblocks}}}

Basic algebra

Quiver:

Relations w.r.t. [math]k[/math]:

Other notatable representatives

Covering blocks and covered blocks

Irreducible characters

All irreducible characters have height zero.