Properties

Label 2-1248-1.1-c1-0-2
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 − 2.96·5-s + 3.35·7-s + 9-s − 1.61·11-s + 13-s + 2.96·15-s + 2·17-s − 3.35·19-s − 3.35·21-s − 6.70·23-s + 3.77·25-s − 27-s + 2·29-s + 6.57·31-s + 1.61·33-s − 9.92·35-s + 7.92·37-s − 39-s + 6.96·41-s − 0.775·43-s − 2.96·45-s + 2.38·47-s + 4.22·49-s − 2·51-s + 11.9·53-s + 4.77·55-s + ⋯
L(s)  = 1  − 0.577·3-s − 1.32·5-s + 1.26·7-s + 0.333·9-s − 0.486·11-s + 0.277·13-s + 0.764·15-s + 0.485·17-s − 0.768·19-s − 0.731·21-s − 1.39·23-s + 0.755·25-s − 0.192·27-s + 0.371·29-s + 1.18·31-s + 0.280·33-s − 1.67·35-s + 1.30·37-s − 0.160·39-s + 1.08·41-s − 0.118·43-s − 0.441·45-s + 0.348·47-s + 0.603·49-s − 0.280·51-s + 1.63·53-s + 0.643·55-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

\(L(1)\) \(\approx\) \(1.105306086\)
\(L(\frac12)\) \(\approx\) \(1.105306086\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.96T + 5T^{2} \)
7 \( 1 - 3.35T + 7T^{2} \)
11 \( 1 + 1.61T + 11T^{2} \)
17 \( 1 - 2T + 17T^{2} \)
19 \( 1 + 3.35T + 19T^{2} \)
23 \( 1 + 6.70T + 23T^{2} \)
29 \( 1 - 2T + 29T^{2} \)
31 \( 1 - 6.57T + 31T^{2} \)
37 \( 1 - 7.92T + 37T^{2} \)
41 \( 1 - 6.96T + 41T^{2} \)
43 \( 1 + 0.775T + 43T^{2} \)
47 \( 1 - 2.38T + 47T^{2} \)
53 \( 1 - 11.9T + 53T^{2} \)
59 \( 1 - 0.312T + 59T^{2} \)
61 \( 1 - 14.6T + 61T^{2} \)
67 \( 1 - 8.12T + 67T^{2} \)
71 \( 1 + 4.31T + 71T^{2} \)
73 \( 1 - 0.0752T + 73T^{2} \)
79 \( 1 - 12T + 79T^{2} \)
83 \( 1 + 8.31T + 83T^{2} \)
89 \( 1 - 8.88T + 89T^{2} \)
97 \( 1 + 7.92T + 97T^{2} \)
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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

−9.909379571298621646075441494265, −8.517800766796481598436269093152, −8.040938357485383457994899069343, −7.48387630450277437107113140678, −6.35504145816321506991078193235, −5.39155252434833116677710501604, −4.44074000228001111749730067190, −3.91778161693034905165685159112, −2.35333955724718377733505261174, −0.810703796064006188286456993622, 0.810703796064006188286456993622, 2.35333955724718377733505261174, 3.91778161693034905165685159112, 4.44074000228001111749730067190, 5.39155252434833116677710501604, 6.35504145816321506991078193235, 7.48387630450277437107113140678, 8.040938357485383457994899069343, 8.517800766796481598436269093152, 9.909379571298621646075441494265

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