Properties

Label 2-203-203.202-c4-0-39
Degree $2$
Conductor $203$
Sign $1$
Analytic cond. $20.9841$
Root an. cond. $4.58084$
Motivic weight $4$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 11·3-s + 16·4-s + 49·7-s + 40·9-s − 176·12-s + 256·16-s − 466·17-s + 461·19-s − 539·21-s − 769·23-s + 625·25-s + 451·27-s + 784·28-s + 841·29-s + 878·31-s + 640·36-s + 1.01e3·41-s + 4.15e3·47-s − 2.81e3·48-s + 2.40e3·49-s + 5.12e3·51-s + 3.79e3·53-s − 5.07e3·57-s − 1.95e3·61-s + 1.96e3·63-s + 4.09e3·64-s + 7.15e3·67-s + ⋯
L(s)  = 1  − 1.22·3-s + 4-s + 7-s + 0.493·9-s − 1.22·12-s + 16-s − 1.61·17-s + 1.27·19-s − 1.22·21-s − 1.45·23-s + 25-s + 0.618·27-s + 28-s + 29-s + 0.913·31-s + 0.493·36-s + 0.602·41-s + 1.88·47-s − 1.22·48-s + 49-s + 1.97·51-s + 1.34·53-s − 1.56·57-s − 0.525·61-s + 0.493·63-s + 64-s + 1.59·67-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 203 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 203 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(203\)    =    \(7 \cdot 29\)
Sign: $1$
Analytic conductor: \(20.9841\)
Root analytic conductor: \(4.58084\)
Motivic weight: \(4\)
Rational: yes
Arithmetic: yes
Character: $\chi_{203} (202, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 203,\ (\ :2),\ 1)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(1.727244432\)
\(L(\frac12)\) \(\approx\) \(1.727244432\)
\(L(3)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 - p^{2} T \)
29 \( 1 - p^{2} T \)
good2 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
3 \( 1 + 11 T + p^{4} T^{2} \)
5 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
11 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
13 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
17 \( 1 + 466 T + p^{4} T^{2} \)
19 \( 1 - 461 T + p^{4} T^{2} \)
23 \( 1 + 769 T + p^{4} T^{2} \)
31 \( 1 - 878 T + p^{4} T^{2} \)
37 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
41 \( 1 - 1013 T + p^{4} T^{2} \)
43 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
47 \( 1 - 4157 T + p^{4} T^{2} \)
53 \( 1 - 3791 T + p^{4} T^{2} \)
59 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
61 \( 1 + 1954 T + p^{4} T^{2} \)
67 \( 1 - 7151 T + p^{4} T^{2} \)
71 \( 1 + 6361 T + p^{4} T^{2} \)
73 \( 1 + 10483 T + p^{4} T^{2} \)
79 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
83 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
89 \( 1 - 15581 T + p^{4} T^{2} \)
97 \( 1 - 16469 T + p^{4} T^{2} \)
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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

−11.78714863677171689546668426864, −10.93228150532254278481879223325, −10.30857914710860976359469325384, −8.651413664911564921933711568148, −7.45827389006627207385483015616, −6.48225286060511019161758034360, −5.57013031898467866898216285008, −4.46428968649532843670861620457, −2.46636333175176981229440274490, −0.975312735644753562474984099949, 0.975312735644753562474984099949, 2.46636333175176981229440274490, 4.46428968649532843670861620457, 5.57013031898467866898216285008, 6.48225286060511019161758034360, 7.45827389006627207385483015616, 8.651413664911564921933711568148, 10.30857914710860976359469325384, 10.93228150532254278481879223325, 11.78714863677171689546668426864

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