Properties

Label 2-7e2-1.1-c19-0-36
Degree $2$
Conductor $49$
Sign $-1$
Analytic cond. $112.120$
Root an. cond. $10.5886$
Motivic weight $19$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 456·2-s − 5.06e4·3-s − 3.16e5·4-s + 2.37e6·5-s − 2.30e7·6-s − 3.83e8·8-s + 1.40e9·9-s + 1.08e9·10-s − 1.62e7·11-s + 1.60e10·12-s − 5.04e10·13-s − 1.20e11·15-s − 8.93e9·16-s − 2.25e11·17-s + 6.39e11·18-s + 1.71e12·19-s − 7.52e11·20-s − 7.39e9·22-s + 1.40e13·23-s + 1.94e13·24-s − 1.34e13·25-s − 2.29e13·26-s − 1.22e13·27-s + 1.13e12·29-s − 5.49e13·30-s + 1.04e14·31-s + 1.96e14·32-s + ⋯
L(s)  = 1  + 0.629·2-s − 1.48·3-s − 0.603·4-s + 0.544·5-s − 0.935·6-s − 1.00·8-s + 1.20·9-s + 0.342·10-s − 0.00207·11-s + 0.896·12-s − 1.31·13-s − 0.808·15-s − 0.0325·16-s − 0.460·17-s + 0.760·18-s + 1.21·19-s − 0.328·20-s − 0.00130·22-s + 1.62·23-s + 1.50·24-s − 0.703·25-s − 0.830·26-s − 0.308·27-s + 0.0145·29-s − 0.509·30-s + 0.710·31-s + 0.989·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 49 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(20-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 49 ^{s/2} \, \Gamma_{\C}(s+19/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(49\)    =    \(7^{2}\)
Sign: $-1$
Analytic conductor: \(112.120\)
Root analytic conductor: \(10.5886\)
Motivic weight: \(19\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 49,\ (\ :19/2),\ -1)\)

Particular Values

\(L(10)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{21}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 \)
good2 \( 1 - 57 p^{3} T + p^{19} T^{2} \)
3 \( 1 + 1876 p^{3} T + p^{19} T^{2} \)
5 \( 1 - 475482 p T + p^{19} T^{2} \)
11 \( 1 + 1473828 p T + p^{19} T^{2} \)
13 \( 1 + 3878585774 p T + p^{19} T^{2} \)
17 \( 1 + 13239417618 p T + p^{19} T^{2} \)
19 \( 1 - 1710278572660 T + p^{19} T^{2} \)
23 \( 1 - 14036534788872 T + p^{19} T^{2} \)
29 \( 1 - 1137835269510 T + p^{19} T^{2} \)
31 \( 1 - 104626880141728 T + p^{19} T^{2} \)
37 \( 1 + 169392327370594 T + p^{19} T^{2} \)
41 \( 1 - 3309984750560838 T + p^{19} T^{2} \)
43 \( 1 - 1127913532193492 T + p^{19} T^{2} \)
47 \( 1 + 3498693987674256 T + p^{19} T^{2} \)
53 \( 1 - 29956294112980302 T + p^{19} T^{2} \)
59 \( 1 + 58391397642732420 T + p^{19} T^{2} \)
61 \( 1 + 23373685132672742 T + p^{19} T^{2} \)
67 \( 1 + 205102524257382244 T + p^{19} T^{2} \)
71 \( 1 + 177902341950417768 T + p^{19} T^{2} \)
73 \( 1 + 299853775038660122 T + p^{19} T^{2} \)
79 \( 1 + 92227090144007440 T + p^{19} T^{2} \)
83 \( 1 + 1208542823470585932 T + p^{19} T^{2} \)
89 \( 1 + 4371201192290304330 T + p^{19} T^{2} \)
97 \( 1 - 635013222218448094 T + p^{19} T^{2} \)
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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

−11.44848862108730209459593380489, −10.12893687601830269533975864871, −9.184023159054998373268946393633, −7.26317947198005261966997402888, −6.00754106158011764845484305360, −5.22014313993644252049188319506, −4.48467973948790478189621966521, −2.80366051864146297682676714893, −1.01371640477724463391822120969, 0, 1.01371640477724463391822120969, 2.80366051864146297682676714893, 4.48467973948790478189621966521, 5.22014313993644252049188319506, 6.00754106158011764845484305360, 7.26317947198005261966997402888, 9.184023159054998373268946393633, 10.12893687601830269533975864871, 11.44848862108730209459593380489

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