Properties

Label 2-1607-1607.1606-c0-0-0
Degree $2$
Conductor $1607$
Sign $1$
Analytic cond. $0.801997$
Root an. cond. $0.895543$
Motivic weight $0$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2-s − 1.87·3-s + 1.87·6-s + 8-s + 2.53·9-s − 16-s − 1.87·17-s − 2.53·18-s + 0.347·23-s − 1.87·24-s + 25-s − 2.87·27-s − 1.87·31-s + 1.87·34-s + 0.347·37-s + 1.53·41-s − 0.347·46-s + 1.87·48-s + 49-s − 50-s + 3.53·51-s − 1.87·53-s + 2.87·54-s + 0.347·59-s + 1.87·62-s + 64-s + 1.53·67-s + ⋯
L(s)  = 1  − 2-s − 1.87·3-s + 1.87·6-s + 8-s + 2.53·9-s − 16-s − 1.87·17-s − 2.53·18-s + 0.347·23-s − 1.87·24-s + 25-s − 2.87·27-s − 1.87·31-s + 1.87·34-s + 0.347·37-s + 1.53·41-s − 0.347·46-s + 1.87·48-s + 49-s − 50-s + 3.53·51-s − 1.87·53-s + 2.87·54-s + 0.347·59-s + 1.87·62-s + 64-s + 1.53·67-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1607 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1607 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1607\)
Sign: $1$
Analytic conductor: \(0.801997\)
Root analytic conductor: \(0.895543\)
Motivic weight: \(0\)
Rational: no
Arithmetic: yes
Character: $\chi_{1607} (1606, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1607,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.2643138118\)
\(L(\frac12)\) \(\approx\) \(0.2643138118\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad1607 \( 1 - T \)
good2 \( 1 + T + T^{2} \)
3 \( 1 + 1.87T + T^{2} \)
5 \( 1 - T^{2} \)
7 \( 1 - T^{2} \)
11 \( 1 - T^{2} \)
13 \( 1 - T^{2} \)
17 \( 1 + 1.87T + T^{2} \)
19 \( 1 - T^{2} \)
23 \( 1 - 0.347T + T^{2} \)
29 \( 1 - T^{2} \)
31 \( 1 + 1.87T + T^{2} \)
37 \( 1 - 0.347T + T^{2} \)
41 \( 1 - 1.53T + T^{2} \)
43 \( 1 - T^{2} \)
47 \( 1 - T^{2} \)
53 \( 1 + 1.87T + T^{2} \)
59 \( 1 - 0.347T + T^{2} \)
61 \( 1 - T^{2} \)
67 \( 1 - 1.53T + T^{2} \)
71 \( 1 - T^{2} \)
73 \( 1 - 2T + T^{2} \)
79 \( 1 - 0.347T + T^{2} \)
83 \( 1 - T^{2} \)
89 \( 1 - 1.53T + T^{2} \)
97 \( 1 - T^{2} \)
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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

−9.501406964450930898681668678477, −9.127286992037890997595538173084, −7.964826619218766184799269713164, −7.02975673050162125746815794263, −6.58586074109333343961397607992, −5.51122618681680652642453779464, −4.76660485996989065534298728072, −4.06553163790950539769540800055, −1.96913379618923402435321359855, −0.68365409226508332719049000909, 0.68365409226508332719049000909, 1.96913379618923402435321359855, 4.06553163790950539769540800055, 4.76660485996989065534298728072, 5.51122618681680652642453779464, 6.58586074109333343961397607992, 7.02975673050162125746815794263, 7.964826619218766184799269713164, 9.127286992037890997595538173084, 9.501406964450930898681668678477

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