Properties

Label 2-431-1.1-c1-0-17
Degree $2$
Conductor $431$
Sign $-1$
Analytic cond. $3.44155$
Root an. cond. $1.85514$
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  − 2.09·2-s − 1.47·3-s + 2.39·4-s − 0.522·5-s + 3.09·6-s − 0.294·7-s − 0.817·8-s − 0.817·9-s + 1.09·10-s + 2.41·11-s − 3.53·12-s − 0.845·13-s + 0.618·14-s + 0.772·15-s − 3.06·16-s + 7.69·17-s + 1.71·18-s − 1.02·19-s − 1.24·20-s + 0.435·21-s − 5.06·22-s + 0.353·23-s + 1.20·24-s − 4.72·25-s + 1.77·26-s + 5.63·27-s − 0.705·28-s + ⋯
L(s)  = 1  − 1.48·2-s − 0.852·3-s + 1.19·4-s − 0.233·5-s + 1.26·6-s − 0.111·7-s − 0.289·8-s − 0.272·9-s + 0.346·10-s + 0.729·11-s − 1.01·12-s − 0.234·13-s + 0.165·14-s + 0.199·15-s − 0.766·16-s + 1.86·17-s + 0.403·18-s − 0.235·19-s − 0.279·20-s + 0.0950·21-s − 1.08·22-s + 0.0737·23-s + 0.246·24-s − 0.945·25-s + 0.347·26-s + 1.08·27-s − 0.133·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 431 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 431 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(431\)
Sign: $-1$
Analytic conductor: \(3.44155\)
Root analytic conductor: \(1.85514\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 431,\ (\ :1/2),\ -1)\)

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)$
bad431 \( 1 + T \)
good2 \( 1 + 2.09T + 2T^{2} \)
3 \( 1 + 1.47T + 3T^{2} \)
5 \( 1 + 0.522T + 5T^{2} \)
7 \( 1 + 0.294T + 7T^{2} \)
11 \( 1 - 2.41T + 11T^{2} \)
13 \( 1 + 0.845T + 13T^{2} \)
17 \( 1 - 7.69T + 17T^{2} \)
19 \( 1 + 1.02T + 19T^{2} \)
23 \( 1 - 0.353T + 23T^{2} \)
29 \( 1 + 7.58T + 29T^{2} \)
31 \( 1 + 5.52T + 31T^{2} \)
37 \( 1 - 1.10T + 37T^{2} \)
41 \( 1 + 12.1T + 41T^{2} \)
43 \( 1 + 8.16T + 43T^{2} \)
47 \( 1 + 2.28T + 47T^{2} \)
53 \( 1 - 3.54T + 53T^{2} \)
59 \( 1 - 6.59T + 59T^{2} \)
61 \( 1 + 8.02T + 61T^{2} \)
67 \( 1 + 2.61T + 67T^{2} \)
71 \( 1 + 4.07T + 71T^{2} \)
73 \( 1 + 13.2T + 73T^{2} \)
79 \( 1 - 13.8T + 79T^{2} \)
83 \( 1 + 6.04T + 83T^{2} \)
89 \( 1 - 1.40T + 89T^{2} \)
97 \( 1 - 9.20T + 97T^{2} \)
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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

−10.49741387678669712748664808452, −9.850292743137658648520149616898, −8.975904529257578709805168778784, −8.020210797461077444404711404657, −7.21911881506331381433316710478, −6.17237951805918348387135627855, −5.14488017911330079642349793194, −3.51790462767506543012504496676, −1.57497582503403003640892917893, 0, 1.57497582503403003640892917893, 3.51790462767506543012504496676, 5.14488017911330079642349793194, 6.17237951805918348387135627855, 7.21911881506331381433316710478, 8.020210797461077444404711404657, 8.975904529257578709805168778784, 9.850292743137658648520149616898, 10.49741387678669712748664808452

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