Group table for the character group for $\textrm{Gal}(K/\mathbb{Q})$

$K$ is the global number field defined by \( x^{2} - x + 154 \)

$\times$ \(\chi_{ 615 } ( 1, ·)\) \(\chi_{ 615 } ( 614, ·)\)
\(\chi_{ 615 }(1, ·)\) \(\chi_{ 615 } ( 1, ·)\) \(\chi_{ 615 } ( 614, ·)\)
\(\chi_{ 615 }(614, ·)\) \(\chi_{ 615 } ( 614, ·)\) \(\chi_{ 615 } ( 1, ·)\)