The special values of the standard $L$-functions for ${\mathrm{GSp}}_{2n}\times {\mathrm{GL}}_1$

Shuji Horinaga, Ameya Pitale, Abhishek Saha +1

We prove the expected algebraicity property for the critical values of character twists of the standard $L$-function associated to vector-valued holomorphic Siegel cusp forms of ar…