Properties

Label 2-688-1.1-c5-0-42
Degree $2$
Conductor $688$
Sign $1$
Analytic cond. $110.344$
Root an. cond. $10.5044$
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  − 27.4·3-s + 86.8·5-s + 19.8·7-s + 512.·9-s + 85.3·11-s − 229.·13-s − 2.38e3·15-s + 1.35e3·17-s + 2.79e3·19-s − 544.·21-s + 1.85e3·23-s + 4.41e3·25-s − 7.42e3·27-s + 7.31e3·29-s + 2.93e3·31-s − 2.34e3·33-s + 1.72e3·35-s + 2.57e3·37-s + 6.29e3·39-s − 3.53e3·41-s − 1.84e3·43-s + 4.45e4·45-s + 7.06e3·47-s − 1.64e4·49-s − 3.72e4·51-s − 3.85e3·53-s + 7.41e3·55-s + ⋯
L(s)  = 1  − 1.76·3-s + 1.55·5-s + 0.152·7-s + 2.11·9-s + 0.212·11-s − 0.375·13-s − 2.74·15-s + 1.13·17-s + 1.77·19-s − 0.269·21-s + 0.731·23-s + 1.41·25-s − 1.95·27-s + 1.61·29-s + 0.548·31-s − 0.375·33-s + 0.237·35-s + 0.309·37-s + 0.663·39-s − 0.328·41-s − 0.152·43-s + 3.27·45-s + 0.466·47-s − 0.976·49-s − 2.00·51-s − 0.188·53-s + 0.330·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 688 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 688 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(688\)    =    \(2^{4} \cdot 43\)
Sign: $1$
Analytic conductor: \(110.344\)
Root analytic conductor: \(10.5044\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 688,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(2.090946164\)
\(L(\frac12)\) \(\approx\) \(2.090946164\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
43 \( 1 + 1.84e3T \)
good3 \( 1 + 27.4T + 243T^{2} \)
5 \( 1 - 86.8T + 3.12e3T^{2} \)
7 \( 1 - 19.8T + 1.68e4T^{2} \)
11 \( 1 - 85.3T + 1.61e5T^{2} \)
13 \( 1 + 229.T + 3.71e5T^{2} \)
17 \( 1 - 1.35e3T + 1.41e6T^{2} \)
19 \( 1 - 2.79e3T + 2.47e6T^{2} \)
23 \( 1 - 1.85e3T + 6.43e6T^{2} \)
29 \( 1 - 7.31e3T + 2.05e7T^{2} \)
31 \( 1 - 2.93e3T + 2.86e7T^{2} \)
37 \( 1 - 2.57e3T + 6.93e7T^{2} \)
41 \( 1 + 3.53e3T + 1.15e8T^{2} \)
47 \( 1 - 7.06e3T + 2.29e8T^{2} \)
53 \( 1 + 3.85e3T + 4.18e8T^{2} \)
59 \( 1 + 2.79e4T + 7.14e8T^{2} \)
61 \( 1 + 3.92e4T + 8.44e8T^{2} \)
67 \( 1 - 1.48e4T + 1.35e9T^{2} \)
71 \( 1 + 8.95e3T + 1.80e9T^{2} \)
73 \( 1 - 3.51e4T + 2.07e9T^{2} \)
79 \( 1 - 1.32e4T + 3.07e9T^{2} \)
83 \( 1 - 9.81e3T + 3.93e9T^{2} \)
89 \( 1 + 8.71e4T + 5.58e9T^{2} \)
97 \( 1 - 8.39e4T + 8.58e9T^{2} \)
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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

−9.965465394122618331543496709069, −9.266843972156024896354424075792, −7.69590005536953616241209919177, −6.69735202137948435822628574080, −6.04050072548953434215588414291, −5.27694519931740567705963038981, −4.78695978228313743289944498218, −3.00047529213418785977059120806, −1.46171398176113093221432422709, −0.852239871846439444138778347290, 0.852239871846439444138778347290, 1.46171398176113093221432422709, 3.00047529213418785977059120806, 4.78695978228313743289944498218, 5.27694519931740567705963038981, 6.04050072548953434215588414291, 6.69735202137948435822628574080, 7.69590005536953616241209919177, 9.266843972156024896354424075792, 9.965465394122618331543496709069

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