Properties

Label 2-14-1.1-c13-0-0
Degree $2$
Conductor $14$
Sign $1$
Analytic cond. $15.0123$
Root an. cond. $3.87457$
Motivic weight $13$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 64·2-s − 156.·3-s + 4.09e3·4-s − 2.38e4·5-s + 1.00e4·6-s + 1.17e5·7-s − 2.62e5·8-s − 1.56e6·9-s + 1.52e6·10-s − 7.69e6·11-s − 6.42e5·12-s + 3.39e7·13-s − 7.52e6·14-s + 3.74e6·15-s + 1.67e7·16-s + 2.76e7·17-s + 1.00e8·18-s + 3.67e8·19-s − 9.77e7·20-s − 1.84e7·21-s + 4.92e8·22-s + 1.11e9·23-s + 4.11e7·24-s − 6.51e8·25-s − 2.17e9·26-s + 4.96e8·27-s + 4.81e8·28-s + ⋯
L(s)  = 1  − 0.707·2-s − 0.124·3-s + 0.5·4-s − 0.683·5-s + 0.0878·6-s + 0.377·7-s − 0.353·8-s − 0.984·9-s + 0.483·10-s − 1.30·11-s − 0.0621·12-s + 1.95·13-s − 0.267·14-s + 0.0848·15-s + 0.250·16-s + 0.278·17-s + 0.696·18-s + 1.79·19-s − 0.341·20-s − 0.0469·21-s + 0.925·22-s + 1.57·23-s + 0.0439·24-s − 0.533·25-s − 1.38·26-s + 0.246·27-s + 0.188·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 14 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(14-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 14 ^{s/2} \, \Gamma_{\C}(s+13/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(14\)    =    \(2 \cdot 7\)
Sign: $1$
Analytic conductor: \(15.0123\)
Root analytic conductor: \(3.87457\)
Motivic weight: \(13\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 14,\ (\ :13/2),\ 1)\)

Particular Values

\(L(7)\) \(\approx\) \(1.040341072\)
\(L(\frac12)\) \(\approx\) \(1.040341072\)
\(L(\frac{15}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + 64T \)
7 \( 1 - 1.17e5T \)
good3 \( 1 + 156.T + 1.59e6T^{2} \)
5 \( 1 + 2.38e4T + 1.22e9T^{2} \)
11 \( 1 + 7.69e6T + 3.45e13T^{2} \)
13 \( 1 - 3.39e7T + 3.02e14T^{2} \)
17 \( 1 - 2.76e7T + 9.90e15T^{2} \)
19 \( 1 - 3.67e8T + 4.20e16T^{2} \)
23 \( 1 - 1.11e9T + 5.04e17T^{2} \)
29 \( 1 - 1.26e9T + 1.02e19T^{2} \)
31 \( 1 + 1.12e9T + 2.44e19T^{2} \)
37 \( 1 - 6.44e9T + 2.43e20T^{2} \)
41 \( 1 + 2.85e10T + 9.25e20T^{2} \)
43 \( 1 - 3.62e10T + 1.71e21T^{2} \)
47 \( 1 - 6.27e10T + 5.46e21T^{2} \)
53 \( 1 - 2.48e11T + 2.60e22T^{2} \)
59 \( 1 + 3.81e11T + 1.04e23T^{2} \)
61 \( 1 - 3.52e11T + 1.61e23T^{2} \)
67 \( 1 + 1.39e12T + 5.48e23T^{2} \)
71 \( 1 - 8.06e11T + 1.16e24T^{2} \)
73 \( 1 + 1.13e12T + 1.67e24T^{2} \)
79 \( 1 - 3.95e11T + 4.66e24T^{2} \)
83 \( 1 - 1.41e11T + 8.87e24T^{2} \)
89 \( 1 - 3.02e12T + 2.19e25T^{2} \)
97 \( 1 - 6.73e12T + 6.73e25T^{2} \)
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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

−16.32967211634106424258565346577, −15.39665392869149713046844934397, −13.59597648215706240141784981397, −11.66861990635487541037459869418, −10.75944713425200007287647172559, −8.760093443543271052929621111782, −7.64182208453820525996811146247, −5.57890068998587350135203298024, −3.14378299594429020025744095199, −0.854299116562701416991740672694, 0.854299116562701416991740672694, 3.14378299594429020025744095199, 5.57890068998587350135203298024, 7.64182208453820525996811146247, 8.760093443543271052929621111782, 10.75944713425200007287647172559, 11.66861990635487541037459869418, 13.59597648215706240141784981397, 15.39665392869149713046844934397, 16.32967211634106424258565346577

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