Properties

Label 2-40e2-16.5-c1-0-11
Degree $2$
Conductor $1600$
Sign $0.382 - 0.923i$
Analytic cond. $12.7760$
Root an. cond. $3.57436$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−1 + i)3-s − 2i·7-s + i·9-s + (−1 − i)11-s + (1 − i)13-s + 2·17-s + (−3 + 3i)19-s + (2 + 2i)21-s + 6i·23-s + (−4 − 4i)27-s + (3 − 3i)29-s + 8·31-s + 2·33-s + (−3 − 3i)37-s + 2i·39-s + ⋯
L(s)  = 1  + (−0.577 + 0.577i)3-s − 0.755i·7-s + 0.333i·9-s + (−0.301 − 0.301i)11-s + (0.277 − 0.277i)13-s + 0.485·17-s + (−0.688 + 0.688i)19-s + (0.436 + 0.436i)21-s + 1.25i·23-s + (−0.769 − 0.769i)27-s + (0.557 − 0.557i)29-s + 1.43·31-s + 0.348·33-s + (−0.493 − 0.493i)37-s + 0.320i·39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.382 - 0.923i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.382 - 0.923i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $0.382 - 0.923i$
Analytic conductor: \(12.7760\)
Root analytic conductor: \(3.57436\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1600} (1201, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1600,\ (\ :1/2),\ 0.382 - 0.923i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.216761630\)
\(L(\frac12)\) \(\approx\) \(1.216761630\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 \)
good3 \( 1 + (1 - i)T - 3iT^{2} \)
7 \( 1 + 2iT - 7T^{2} \)
11 \( 1 + (1 + i)T + 11iT^{2} \)
13 \( 1 + (-1 + i)T - 13iT^{2} \)
17 \( 1 - 2T + 17T^{2} \)
19 \( 1 + (3 - 3i)T - 19iT^{2} \)
23 \( 1 - 6iT - 23T^{2} \)
29 \( 1 + (-3 + 3i)T - 29iT^{2} \)
31 \( 1 - 8T + 31T^{2} \)
37 \( 1 + (3 + 3i)T + 37iT^{2} \)
41 \( 1 - 41T^{2} \)
43 \( 1 + (-5 - 5i)T + 43iT^{2} \)
47 \( 1 - 8T + 47T^{2} \)
53 \( 1 + (-5 - 5i)T + 53iT^{2} \)
59 \( 1 + (-3 - 3i)T + 59iT^{2} \)
61 \( 1 + (9 - 9i)T - 61iT^{2} \)
67 \( 1 + (5 - 5i)T - 67iT^{2} \)
71 \( 1 - 10iT - 71T^{2} \)
73 \( 1 - 4iT - 73T^{2} \)
79 \( 1 + 79T^{2} \)
83 \( 1 + (1 - i)T - 83iT^{2} \)
89 \( 1 - 4iT - 89T^{2} \)
97 \( 1 - 2T + 97T^{2} \)
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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

−9.872932570322977685621864201960, −8.741725797543948219256329406089, −7.895540715125077742601543027210, −7.28393738337688952010220885128, −6.03780032195121777799909554856, −5.56488020806183165662227679280, −4.47398920521395097767225012078, −3.85977087013884148245362238782, −2.61337118097625187623038090185, −1.05445676113746192266653822891, 0.62372294225937580169693360239, 2.03026736438775170760413857794, 3.05563059111024567756532877868, 4.36555707860134889009954967928, 5.23603551650315258810324566151, 6.20228723236467261597295882552, 6.63568898522911555025553376384, 7.56250096929534773600998650581, 8.599073138777116856074738628014, 9.055087284914310541743538158781

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