Properties

Label 2-1248-1.1-c1-0-1
Degree $2$
Conductor $1248$
Sign $1$
Analytic cond. $9.96533$
Root an. cond. $3.15679$
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  − 3-s + 0.622·5-s − 4.42·7-s + 9-s − 5.80·11-s + 13-s − 0.622·15-s + 2·17-s + 4.42·19-s + 4.42·21-s + 8.85·23-s − 4.61·25-s − 27-s + 2·29-s + 7.18·31-s + 5.80·33-s − 2.75·35-s + 0.755·37-s − 39-s + 3.37·41-s + 7.61·43-s + 0.622·45-s − 1.80·47-s + 12.6·49-s − 2·51-s + 4.75·53-s − 3.61·55-s + ⋯
L(s)  = 1  − 0.577·3-s + 0.278·5-s − 1.67·7-s + 0.333·9-s − 1.75·11-s + 0.277·13-s − 0.160·15-s + 0.485·17-s + 1.01·19-s + 0.966·21-s + 1.84·23-s − 0.922·25-s − 0.192·27-s + 0.371·29-s + 1.29·31-s + 1.01·33-s − 0.465·35-s + 0.124·37-s − 0.160·39-s + 0.527·41-s + 1.16·43-s + 0.0927·45-s − 0.263·47-s + 1.80·49-s − 0.280·51-s + 0.653·53-s − 0.487·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1248 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1248 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1248\)    =    \(2^{5} \cdot 3 \cdot 13\)
Sign: $1$
Analytic conductor: \(9.96533\)
Root analytic conductor: \(3.15679\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1248,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.9751639588\)
\(L(\frac12)\) \(\approx\) \(0.9751639588\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 + T \)
13 \( 1 - T \)
good5 \( 1 - 0.622T + 5T^{2} \)
7 \( 1 + 4.42T + 7T^{2} \)
11 \( 1 + 5.80T + 11T^{2} \)
17 \( 1 - 2T + 17T^{2} \)
19 \( 1 - 4.42T + 19T^{2} \)
23 \( 1 - 8.85T + 23T^{2} \)
29 \( 1 - 2T + 29T^{2} \)
31 \( 1 - 7.18T + 31T^{2} \)
37 \( 1 - 0.755T + 37T^{2} \)
41 \( 1 - 3.37T + 41T^{2} \)
43 \( 1 - 7.61T + 43T^{2} \)
47 \( 1 + 1.80T + 47T^{2} \)
53 \( 1 - 4.75T + 53T^{2} \)
59 \( 1 + 11.0T + 59T^{2} \)
61 \( 1 + 8.10T + 61T^{2} \)
67 \( 1 + 8.04T + 67T^{2} \)
71 \( 1 - 7.05T + 71T^{2} \)
73 \( 1 - 7.24T + 73T^{2} \)
79 \( 1 - 12T + 79T^{2} \)
83 \( 1 - 3.05T + 83T^{2} \)
89 \( 1 + 1.86T + 89T^{2} \)
97 \( 1 + 0.755T + 97T^{2} \)
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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

−9.777882239138334989602757745499, −9.163006569654549418923599371504, −7.896180746913405507447611433303, −7.18890579725124698173710425059, −6.23711812070079829379982267602, −5.62421876259807927385982633257, −4.75870903709063069451579861391, −3.32251210244946787787970140738, −2.67591872543313035699312406857, −0.73211253131823077536198210954, 0.73211253131823077536198210954, 2.67591872543313035699312406857, 3.32251210244946787787970140738, 4.75870903709063069451579861391, 5.62421876259807927385982633257, 6.23711812070079829379982267602, 7.18890579725124698173710425059, 7.896180746913405507447611433303, 9.163006569654549418923599371504, 9.777882239138334989602757745499

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