Properties

Label 2-40e2-80.69-c1-0-31
Degree $2$
Conductor $1600$
Sign $-0.290 + 0.956i$
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  + (1.66 + 1.66i)3-s − 2.89·7-s + 2.53i·9-s + (−1.84 − 1.84i)11-s + (−3.08 − 3.08i)13-s − 7.29i·17-s + (−1.23 + 1.23i)19-s + (−4.81 − 4.81i)21-s − 4.60·23-s + (0.772 − 0.772i)27-s + (−4.24 + 4.24i)29-s − 2.06·31-s − 6.13i·33-s + (−1.17 + 1.17i)37-s − 10.2i·39-s + ⋯
L(s)  = 1  + (0.960 + 0.960i)3-s − 1.09·7-s + 0.845i·9-s + (−0.556 − 0.556i)11-s + (−0.854 − 0.854i)13-s − 1.77i·17-s + (−0.283 + 0.283i)19-s + (−1.05 − 1.05i)21-s − 0.960·23-s + (0.148 − 0.148i)27-s + (−0.788 + 0.788i)29-s − 0.370·31-s − 1.06i·33-s + (−0.193 + 0.193i)37-s − 1.64i·39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.290 + 0.956i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.290 + 0.956i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $-0.290 + 0.956i$
Analytic conductor: \(12.7760\)
Root analytic conductor: \(3.57436\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1600} (49, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1600,\ (\ :1/2),\ -0.290 + 0.956i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.6599163033\)
\(L(\frac12)\) \(\approx\) \(0.6599163033\)
\(L(\frac{3}{2})\) 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 \( 1 + (-1.66 - 1.66i)T + 3iT^{2} \)
7 \( 1 + 2.89T + 7T^{2} \)
11 \( 1 + (1.84 + 1.84i)T + 11iT^{2} \)
13 \( 1 + (3.08 + 3.08i)T + 13iT^{2} \)
17 \( 1 + 7.29iT - 17T^{2} \)
19 \( 1 + (1.23 - 1.23i)T - 19iT^{2} \)
23 \( 1 + 4.60T + 23T^{2} \)
29 \( 1 + (4.24 - 4.24i)T - 29iT^{2} \)
31 \( 1 + 2.06T + 31T^{2} \)
37 \( 1 + (1.17 - 1.17i)T - 37iT^{2} \)
41 \( 1 - 4.61iT - 41T^{2} \)
43 \( 1 + (-3.03 + 3.03i)T - 43iT^{2} \)
47 \( 1 + 11.7iT - 47T^{2} \)
53 \( 1 + (2.73 - 2.73i)T - 53iT^{2} \)
59 \( 1 + (-3.11 - 3.11i)T + 59iT^{2} \)
61 \( 1 + (-2.34 + 2.34i)T - 61iT^{2} \)
67 \( 1 + (-8.24 - 8.24i)T + 67iT^{2} \)
71 \( 1 - 3.25iT - 71T^{2} \)
73 \( 1 + 12.6T + 73T^{2} \)
79 \( 1 + 0.113T + 79T^{2} \)
83 \( 1 + (9.76 + 9.76i)T + 83iT^{2} \)
89 \( 1 - 3.74iT - 89T^{2} \)
97 \( 1 - 13.9iT - 97T^{2} \)
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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

−9.248860969448982515610731755110, −8.578201618761350338697202938956, −7.68334300594201710191720876691, −6.91610482850492997999585186348, −5.71420601853055690156369312544, −4.98447266136090402171567078152, −3.85294611625827139097319175053, −3.10495281676471902882149907734, −2.50550590178057378780580400006, −0.20121255918702067199269823180, 1.81422695431656213676358588227, 2.42723524664871557265862591316, 3.53847747860404609982844896897, 4.44629300562442268265621781516, 5.86319264288132594707654431020, 6.57169703499242515163738150388, 7.36481712570833262204509705941, 7.940450561856141933318074007926, 8.782992766902846540454424585525, 9.567695182244820318006947238244

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