Properties

Label 2-656-1.1-c5-0-75
Degree $2$
Conductor $656$
Sign $1$
Analytic cond. $105.211$
Root an. cond. $10.2572$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 27.8·3-s + 33.0·5-s + 225.·7-s + 530.·9-s + 386.·11-s − 901.·13-s + 917.·15-s − 1.14e3·17-s + 1.41e3·19-s + 6.25e3·21-s − 2.43e3·23-s − 2.03e3·25-s + 7.98e3·27-s + 7.37e3·29-s + 7.82e3·31-s + 1.07e4·33-s + 7.43e3·35-s + 1.18e4·37-s − 2.50e4·39-s − 1.68e3·41-s − 1.15e3·43-s + 1.74e4·45-s − 1.16e4·47-s + 3.38e4·49-s − 3.19e4·51-s + 2.69e3·53-s + 1.27e4·55-s + ⋯
L(s)  = 1  + 1.78·3-s + 0.590·5-s + 1.73·7-s + 2.18·9-s + 0.961·11-s − 1.47·13-s + 1.05·15-s − 0.964·17-s + 0.900·19-s + 3.09·21-s − 0.960·23-s − 0.651·25-s + 2.10·27-s + 1.62·29-s + 1.46·31-s + 1.71·33-s + 1.02·35-s + 1.41·37-s − 2.63·39-s − 0.156·41-s − 0.0949·43-s + 1.28·45-s − 0.770·47-s + 2.01·49-s − 1.71·51-s + 0.131·53-s + 0.568·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 656 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 656 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(656\)    =    \(2^{4} \cdot 41\)
Sign: $1$
Analytic conductor: \(105.211\)
Root analytic conductor: \(10.2572\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 656,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(6.596037079\)
\(L(\frac12)\) \(\approx\) \(6.596037079\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
41 \( 1 + 1.68e3T \)
good3 \( 1 - 27.8T + 243T^{2} \)
5 \( 1 - 33.0T + 3.12e3T^{2} \)
7 \( 1 - 225.T + 1.68e4T^{2} \)
11 \( 1 - 386.T + 1.61e5T^{2} \)
13 \( 1 + 901.T + 3.71e5T^{2} \)
17 \( 1 + 1.14e3T + 1.41e6T^{2} \)
19 \( 1 - 1.41e3T + 2.47e6T^{2} \)
23 \( 1 + 2.43e3T + 6.43e6T^{2} \)
29 \( 1 - 7.37e3T + 2.05e7T^{2} \)
31 \( 1 - 7.82e3T + 2.86e7T^{2} \)
37 \( 1 - 1.18e4T + 6.93e7T^{2} \)
43 \( 1 + 1.15e3T + 1.47e8T^{2} \)
47 \( 1 + 1.16e4T + 2.29e8T^{2} \)
53 \( 1 - 2.69e3T + 4.18e8T^{2} \)
59 \( 1 + 4.75e4T + 7.14e8T^{2} \)
61 \( 1 + 5.04e4T + 8.44e8T^{2} \)
67 \( 1 - 4.68e4T + 1.35e9T^{2} \)
71 \( 1 + 2.86e4T + 1.80e9T^{2} \)
73 \( 1 + 4.54e4T + 2.07e9T^{2} \)
79 \( 1 + 2.36e4T + 3.07e9T^{2} \)
83 \( 1 - 2.47e4T + 3.93e9T^{2} \)
89 \( 1 - 8.82e4T + 5.58e9T^{2} \)
97 \( 1 + 8.36e4T + 8.58e9T^{2} \)
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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

−9.610103711294143506960374419727, −8.867842915116779478988310153116, −8.014518776576299814028333803555, −7.57265219968562195245993466345, −6.38471477025218726342126497780, −4.76494620657357032153620666247, −4.31910667749321562821063749421, −2.82612189532211155927762648748, −2.07000448467933717485952106031, −1.28997365146979500602438413500, 1.28997365146979500602438413500, 2.07000448467933717485952106031, 2.82612189532211155927762648748, 4.31910667749321562821063749421, 4.76494620657357032153620666247, 6.38471477025218726342126497780, 7.57265219968562195245993466345, 8.014518776576299814028333803555, 8.867842915116779478988310153116, 9.610103711294143506960374419727

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