Properties

Label 2-7-1.1-c11-0-1
Degree $2$
Conductor $7$
Sign $-1$
Analytic cond. $5.37840$
Root an. cond. $2.31913$
Motivic weight $11$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 85.0·2-s + 408.·3-s + 5.18e3·4-s − 7.33e3·5-s − 3.47e4·6-s + 1.68e4·7-s − 2.66e5·8-s − 1.04e4·9-s + 6.23e5·10-s − 6.16e5·11-s + 2.11e6·12-s − 1.73e6·13-s − 1.42e6·14-s − 2.99e6·15-s + 1.20e7·16-s + 2.25e6·17-s + 8.90e5·18-s − 4.46e6·19-s − 3.80e7·20-s + 6.86e6·21-s + 5.24e7·22-s − 3.07e7·23-s − 1.08e8·24-s + 4.90e6·25-s + 1.47e8·26-s − 7.65e7·27-s + 8.71e7·28-s + ⋯
L(s)  = 1  − 1.87·2-s + 0.969·3-s + 2.53·4-s − 1.04·5-s − 1.82·6-s + 0.377·7-s − 2.87·8-s − 0.0591·9-s + 1.97·10-s − 1.15·11-s + 2.45·12-s − 1.29·13-s − 0.710·14-s − 1.01·15-s + 2.87·16-s + 0.386·17-s + 0.111·18-s − 0.413·19-s − 2.65·20-s + 0.366·21-s + 2.17·22-s − 0.997·23-s − 2.79·24-s + 0.100·25-s + 2.43·26-s − 1.02·27-s + 0.956·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 7 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(12-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 7 ^{s/2} \, \Gamma_{\C}(s+11/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(7\)
Sign: $-1$
Analytic conductor: \(5.37840\)
Root analytic conductor: \(2.31913\)
Motivic weight: \(11\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 7,\ (\ :11/2),\ -1)\)

Particular Values

\(L(6)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{13}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 - 1.68e4T \)
good2 \( 1 + 85.0T + 2.04e3T^{2} \)
3 \( 1 - 408.T + 1.77e5T^{2} \)
5 \( 1 + 7.33e3T + 4.88e7T^{2} \)
11 \( 1 + 6.16e5T + 2.85e11T^{2} \)
13 \( 1 + 1.73e6T + 1.79e12T^{2} \)
17 \( 1 - 2.25e6T + 3.42e13T^{2} \)
19 \( 1 + 4.46e6T + 1.16e14T^{2} \)
23 \( 1 + 3.07e7T + 9.52e14T^{2} \)
29 \( 1 - 1.42e8T + 1.22e16T^{2} \)
31 \( 1 - 7.19e7T + 2.54e16T^{2} \)
37 \( 1 - 6.71e7T + 1.77e17T^{2} \)
41 \( 1 + 1.76e7T + 5.50e17T^{2} \)
43 \( 1 - 3.80e8T + 9.29e17T^{2} \)
47 \( 1 + 1.92e9T + 2.47e18T^{2} \)
53 \( 1 - 1.67e9T + 9.26e18T^{2} \)
59 \( 1 - 7.61e9T + 3.01e19T^{2} \)
61 \( 1 - 4.21e9T + 4.35e19T^{2} \)
67 \( 1 + 6.85e9T + 1.22e20T^{2} \)
71 \( 1 + 1.56e10T + 2.31e20T^{2} \)
73 \( 1 + 2.70e10T + 3.13e20T^{2} \)
79 \( 1 - 2.62e10T + 7.47e20T^{2} \)
83 \( 1 - 2.20e10T + 1.28e21T^{2} \)
89 \( 1 + 2.81e10T + 2.77e21T^{2} \)
97 \( 1 + 1.07e11T + 7.15e21T^{2} \)
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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

−19.16634940148811776685437207745, −17.69351713343921008779321530833, −16.06868145508675627531740066023, −14.87829284700560639909181318743, −11.82173007109350275080356632240, −10.11086410583036607039992074576, −8.358865591234548640992149568564, −7.62522232690598032193300036788, −2.53913838777535488923396680951, 0, 2.53913838777535488923396680951, 7.62522232690598032193300036788, 8.358865591234548640992149568564, 10.11086410583036607039992074576, 11.82173007109350275080356632240, 14.87829284700560639909181318743, 16.06868145508675627531740066023, 17.69351713343921008779321530833, 19.16634940148811776685437207745

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