Properties

Label 2-403-1.1-c1-0-6
Degree $2$
Conductor $403$
Sign $1$
Analytic cond. $3.21797$
Root an. cond. $1.79387$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.406·2-s − 0.564·3-s − 1.83·4-s + 2.08·5-s − 0.229·6-s + 4.31·7-s − 1.55·8-s − 2.68·9-s + 0.845·10-s + 1.35·11-s + 1.03·12-s − 13-s + 1.75·14-s − 1.17·15-s + 3.03·16-s + 3.04·17-s − 1.08·18-s + 4.46·19-s − 3.82·20-s − 2.43·21-s + 0.551·22-s + 5.93·23-s + 0.878·24-s − 0.665·25-s − 0.406·26-s + 3.20·27-s − 7.92·28-s + ⋯
L(s)  = 1  + 0.287·2-s − 0.325·3-s − 0.917·4-s + 0.931·5-s − 0.0935·6-s + 1.63·7-s − 0.550·8-s − 0.893·9-s + 0.267·10-s + 0.409·11-s + 0.298·12-s − 0.277·13-s + 0.468·14-s − 0.303·15-s + 0.759·16-s + 0.738·17-s − 0.256·18-s + 1.02·19-s − 0.854·20-s − 0.531·21-s + 0.117·22-s + 1.23·23-s + 0.179·24-s − 0.133·25-s − 0.0796·26-s + 0.616·27-s − 1.49·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 403 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 403 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(403\)    =    \(13 \cdot 31\)
Sign: $1$
Analytic conductor: \(3.21797\)
Root analytic conductor: \(1.79387\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 403,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.525995893\)
\(L(\frac12)\) \(\approx\) \(1.525995893\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad13 \( 1 + T \)
31 \( 1 - T \)
good2 \( 1 - 0.406T + 2T^{2} \)
3 \( 1 + 0.564T + 3T^{2} \)
5 \( 1 - 2.08T + 5T^{2} \)
7 \( 1 - 4.31T + 7T^{2} \)
11 \( 1 - 1.35T + 11T^{2} \)
17 \( 1 - 3.04T + 17T^{2} \)
19 \( 1 - 4.46T + 19T^{2} \)
23 \( 1 - 5.93T + 23T^{2} \)
29 \( 1 - 2.78T + 29T^{2} \)
37 \( 1 - 3.68T + 37T^{2} \)
41 \( 1 + 0.350T + 41T^{2} \)
43 \( 1 + 11.3T + 43T^{2} \)
47 \( 1 + 11.0T + 47T^{2} \)
53 \( 1 + 2.37T + 53T^{2} \)
59 \( 1 + 13.1T + 59T^{2} \)
61 \( 1 - 6.18T + 61T^{2} \)
67 \( 1 + 2.80T + 67T^{2} \)
71 \( 1 + 11.5T + 71T^{2} \)
73 \( 1 + 13.9T + 73T^{2} \)
79 \( 1 - 5.49T + 79T^{2} \)
83 \( 1 - 6.19T + 83T^{2} \)
89 \( 1 - 11.9T + 89T^{2} \)
97 \( 1 - 3.24T + 97T^{2} \)
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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

−11.48164654182764503944447579477, −10.32195936449172888826143224266, −9.409254819515436549265974353037, −8.576620934422074895605020713617, −7.72289287275016437642935520961, −6.16844950652640297140888028697, −5.22065095825833563281602194168, −4.80486030495516029668815300900, −3.12560038356458798784862086808, −1.36156159798194282329633476310, 1.36156159798194282329633476310, 3.12560038356458798784862086808, 4.80486030495516029668815300900, 5.22065095825833563281602194168, 6.16844950652640297140888028697, 7.72289287275016437642935520961, 8.576620934422074895605020713617, 9.409254819515436549265974353037, 10.32195936449172888826143224266, 11.48164654182764503944447579477

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