Cote n° 89 · pages 3–11
· 3 diagrammes commutatifs · [Hexagone] combinatoire. [Ensembles 3-3] : notes manuscrites (s.d.).
Datation de l’inventaire : s.d.
Édition de démonstration
LaTeX source
\begin{tikzcd}
1 \arrow[r] & G' \arrow[r] \arrow[d] & G \arrow[r] & \mathfrak{S}_T \arrow[r] \arrow[d, no head, "\shortparallel" description] & 1 \\
& \prod_{i \in T} \mathfrak{S}_{S_i} \arrow[d, "\prod_{i \in T} \mathrm{sg}_i"] & & \mathbf{Z}/2\mathbf{Z} & \\
& \mathbf{Z}/2\mathbf{Z} \arrow[d] & & & \\
& 1 & & &
\end{tikzcd}LaTeX source
\begin{tikzcd}
1 \arrow[r] & \prod_{i \in T} \mathfrak{S}_{S_i} \arrow[r] & \mathcal{G} \arrow[r] & \mathfrak{S}_T \arrow[r] \arrow[d, no head, "\shortparallel" description] & 1 \\
& & & \mathbf{Z}/2\mathbf{Z} &
\end{tikzcd}LaTeX source
\begin{tikzcd}[column sep=small]
& (\mathbf{Tors}(V)) & \\
\prod_{i \in T} (\mathbf{Tors}(D_i)) \arrow[ur, leftrightarrow, "\approx"] & & \prod_{i \in T'} (\mathbf{Tors}(D_i)) \arrow[ul, leftrightarrow, "\approx"']
\end{tikzcd}