Properties

Label 2-1421-1.1-c1-0-71
Degree $2$
Conductor $1421$
Sign $-1$
Analytic cond. $11.3467$
Root an. cond. $3.36849$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.414·2-s + 0.414·3-s − 1.82·4-s + 5-s + 0.171·6-s − 1.58·8-s − 2.82·9-s + 0.414·10-s + 2.41·11-s − 0.757·12-s − 1.82·13-s + 0.414·15-s + 3·16-s + 4.82·17-s − 1.17·18-s − 6·19-s − 1.82·20-s + 0.999·22-s − 7.65·23-s − 0.656·24-s − 4·25-s − 0.757·26-s − 2.41·27-s + 29-s + 0.171·30-s + 4.07·31-s + 4.41·32-s + ⋯
L(s)  = 1  + 0.292·2-s + 0.239·3-s − 0.914·4-s + 0.447·5-s + 0.0700·6-s − 0.560·8-s − 0.942·9-s + 0.130·10-s + 0.727·11-s − 0.218·12-s − 0.507·13-s + 0.106·15-s + 0.750·16-s + 1.17·17-s − 0.276·18-s − 1.37·19-s − 0.408·20-s + 0.213·22-s − 1.59·23-s − 0.134·24-s − 0.800·25-s − 0.148·26-s − 0.464·27-s + 0.185·29-s + 0.0313·30-s + 0.731·31-s + 0.780·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1421 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1421 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1421\)    =    \(7^{2} \cdot 29\)
Sign: $-1$
Analytic conductor: \(11.3467\)
Root analytic conductor: \(3.36849\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1421,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 \)
29 \( 1 - T \)
good2 \( 1 - 0.414T + 2T^{2} \)
3 \( 1 - 0.414T + 3T^{2} \)
5 \( 1 - T + 5T^{2} \)
11 \( 1 - 2.41T + 11T^{2} \)
13 \( 1 + 1.82T + 13T^{2} \)
17 \( 1 - 4.82T + 17T^{2} \)
19 \( 1 + 6T + 19T^{2} \)
23 \( 1 + 7.65T + 23T^{2} \)
31 \( 1 - 4.07T + 31T^{2} \)
37 \( 1 + 4T + 37T^{2} \)
41 \( 1 + 12.4T + 41T^{2} \)
43 \( 1 - 6.41T + 43T^{2} \)
47 \( 1 + 5.24T + 47T^{2} \)
53 \( 1 + 7.48T + 53T^{2} \)
59 \( 1 + 7.65T + 59T^{2} \)
61 \( 1 + 0.828T + 61T^{2} \)
67 \( 1 + 5.65T + 67T^{2} \)
71 \( 1 + 3.17T + 71T^{2} \)
73 \( 1 + 4T + 73T^{2} \)
79 \( 1 - 0.414T + 79T^{2} \)
83 \( 1 - 3.65T + 83T^{2} \)
89 \( 1 + 4.48T + 89T^{2} \)
97 \( 1 - 12.4T + 97T^{2} \)
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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

−9.135163131769828451322502846733, −8.389859758107560087934312768846, −7.80754705654854972585542693747, −6.35196305622295694607093414268, −5.86088651056772820143980441275, −4.90620688117245662609971275561, −3.97753786431012311894244708926, −3.11606352339714025864212296710, −1.82651671575356652048232957226, 0, 1.82651671575356652048232957226, 3.11606352339714025864212296710, 3.97753786431012311894244708926, 4.90620688117245662609971275561, 5.86088651056772820143980441275, 6.35196305622295694607093414268, 7.80754705654854972585542693747, 8.389859758107560087934312768846, 9.135163131769828451322502846733

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