Properties

Label 2-774-1.1-c1-0-9
Degree $2$
Conductor $774$
Sign $1$
Analytic cond. $6.18042$
Root an. cond. $2.48604$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s + 4-s + 2·5-s + 2·7-s + 8-s + 2·10-s + 2·13-s + 2·14-s + 16-s − 6·17-s + 4·19-s + 2·20-s − 6·23-s − 25-s + 2·26-s + 2·28-s + 2·29-s + 4·31-s + 32-s − 6·34-s + 4·35-s + 4·37-s + 4·38-s + 2·40-s + 2·41-s + 43-s − 6·46-s + ⋯
L(s)  = 1  + 0.707·2-s + 1/2·4-s + 0.894·5-s + 0.755·7-s + 0.353·8-s + 0.632·10-s + 0.554·13-s + 0.534·14-s + 1/4·16-s − 1.45·17-s + 0.917·19-s + 0.447·20-s − 1.25·23-s − 1/5·25-s + 0.392·26-s + 0.377·28-s + 0.371·29-s + 0.718·31-s + 0.176·32-s − 1.02·34-s + 0.676·35-s + 0.657·37-s + 0.648·38-s + 0.316·40-s + 0.312·41-s + 0.152·43-s − 0.884·46-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 774 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 774 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(774\)    =    \(2 \cdot 3^{2} \cdot 43\)
Sign: $1$
Analytic conductor: \(6.18042\)
Root analytic conductor: \(2.48604\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 774,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.916488157\)
\(L(\frac12)\) \(\approx\) \(2.916488157\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$Isogeny Class over $\mathbf{F}_p$
bad2 \( 1 - T \)
3 \( 1 \)
43 \( 1 - T \)
good5 \( 1 - 2 T + p T^{2} \) 1.5.ac
7 \( 1 - 2 T + p T^{2} \) 1.7.ac
11 \( 1 + p T^{2} \) 1.11.a
13 \( 1 - 2 T + p T^{2} \) 1.13.ac
17 \( 1 + 6 T + p T^{2} \) 1.17.g
19 \( 1 - 4 T + p T^{2} \) 1.19.ae
23 \( 1 + 6 T + p T^{2} \) 1.23.g
29 \( 1 - 2 T + p T^{2} \) 1.29.ac
31 \( 1 - 4 T + p T^{2} \) 1.31.ae
37 \( 1 - 4 T + p T^{2} \) 1.37.ae
41 \( 1 - 2 T + p T^{2} \) 1.41.ac
47 \( 1 + 6 T + p T^{2} \) 1.47.g
53 \( 1 - 4 T + p T^{2} \) 1.53.ae
59 \( 1 - 8 T + p T^{2} \) 1.59.ai
61 \( 1 + 12 T + p T^{2} \) 1.61.m
67 \( 1 - 4 T + p T^{2} \) 1.67.ae
71 \( 1 + p T^{2} \) 1.71.a
73 \( 1 + 14 T + p T^{2} \) 1.73.o
79 \( 1 - 8 T + p T^{2} \) 1.79.ai
83 \( 1 + 4 T + p T^{2} \) 1.83.e
89 \( 1 + 10 T + p T^{2} \) 1.89.k
97 \( 1 + 2 T + p T^{2} \) 1.97.c
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−10.38608088519526993171242305234, −9.578949280187494715478128887255, −8.556782627098180497435410748704, −7.68561391479336656512275985130, −6.52545003207311835858544421722, −5.88033841038659656444980730991, −4.90926507246187420270133288229, −4.03174056766814563085794086286, −2.60692344300556342507381167126, −1.59259064274091439944282632672, 1.59259064274091439944282632672, 2.60692344300556342507381167126, 4.03174056766814563085794086286, 4.90926507246187420270133288229, 5.88033841038659656444980730991, 6.52545003207311835858544421722, 7.68561391479336656512275985130, 8.556782627098180497435410748704, 9.578949280187494715478128887255, 10.38608088519526993171242305234

Graph of the $Z$-function along the critical line