MSG 175.139

\[\begin{align*} &E_{2}^{1,-1}=\mathbb{Z}^3\\ &E_{1}^{0,-1}=0\\ &E_{1}^{1,-1}=2\mathbb{Z}[\boldsymbol{b}^{(1)}_{a_1}]\oplus\mathbb{Z}[\boldsymbol{b}^{(1)}_{a_2}]\oplus2\mathbb{Z}[\boldsymbol{b}^{(1)}_{c_1}]\\ &E_{1}^{2,-1}=0 \end{align*}\]

\[\begin{align*} &[X^{(1)}]^{-1}=\left( \begin{array}{ccc} a_1 & a_2 & c_1 \\ 1 & 0 & 0 \\ 0 & 1 & 0 \\ 0 & 0 & 1 \\ \end{array} \right) \end{align*} \]