Properties

Label 2-1656-1.1-c1-0-22
Degree $2$
Conductor $1656$
Sign $-1$
Analytic cond. $13.2232$
Root an. cond. $3.63637$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·7-s + 2·13-s − 8·17-s + 6·19-s − 23-s − 5·25-s − 2·29-s − 4·31-s + 6·37-s − 10·41-s + 6·43-s − 3·49-s − 12·53-s − 4·59-s − 10·61-s − 6·67-s + 2·73-s − 6·79-s + 12·89-s − 4·91-s + 6·97-s − 6·101-s − 14·103-s − 14·109-s + 12·113-s + 16·119-s + ⋯
L(s)  = 1  − 0.755·7-s + 0.554·13-s − 1.94·17-s + 1.37·19-s − 0.208·23-s − 25-s − 0.371·29-s − 0.718·31-s + 0.986·37-s − 1.56·41-s + 0.914·43-s − 3/7·49-s − 1.64·53-s − 0.520·59-s − 1.28·61-s − 0.733·67-s + 0.234·73-s − 0.675·79-s + 1.27·89-s − 0.419·91-s + 0.609·97-s − 0.597·101-s − 1.37·103-s − 1.34·109-s + 1.12·113-s + 1.46·119-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1656 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1656 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1656\)    =    \(2^{3} \cdot 3^{2} \cdot 23\)
Sign: $-1$
Analytic conductor: \(13.2232\)
Root analytic conductor: \(3.63637\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1656,\ (\ :1/2),\ -1)\)

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)$Isogeny Class over $\mathbf{F}_p$
bad2 \( 1 \)
3 \( 1 \)
23 \( 1 + T \)
good5 \( 1 + p T^{2} \) 1.5.a
7 \( 1 + 2 T + p T^{2} \) 1.7.c
11 \( 1 + p T^{2} \) 1.11.a
13 \( 1 - 2 T + p T^{2} \) 1.13.ac
17 \( 1 + 8 T + p T^{2} \) 1.17.i
19 \( 1 - 6 T + p T^{2} \) 1.19.ag
29 \( 1 + 2 T + p T^{2} \) 1.29.c
31 \( 1 + 4 T + p T^{2} \) 1.31.e
37 \( 1 - 6 T + p T^{2} \) 1.37.ag
41 \( 1 + 10 T + p T^{2} \) 1.41.k
43 \( 1 - 6 T + p T^{2} \) 1.43.ag
47 \( 1 + p T^{2} \) 1.47.a
53 \( 1 + 12 T + p T^{2} \) 1.53.m
59 \( 1 + 4 T + p T^{2} \) 1.59.e
61 \( 1 + 10 T + p T^{2} \) 1.61.k
67 \( 1 + 6 T + p T^{2} \) 1.67.g
71 \( 1 + p T^{2} \) 1.71.a
73 \( 1 - 2 T + p T^{2} \) 1.73.ac
79 \( 1 + 6 T + p T^{2} \) 1.79.g
83 \( 1 + p T^{2} \) 1.83.a
89 \( 1 - 12 T + p T^{2} \) 1.89.am
97 \( 1 - 6 T + p T^{2} \) 1.97.ag
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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

−9.237434102207363638201860341587, −8.171603902186240338008563091253, −7.35393631253367282172254155252, −6.48899758106257706190792833118, −5.87257923482558878497692549178, −4.77593113876989008025786234914, −3.83125738263606626167277658660, −2.93746481391339448160649201663, −1.71258596371455101275544465620, 0, 1.71258596371455101275544465620, 2.93746481391339448160649201663, 3.83125738263606626167277658660, 4.77593113876989008025786234914, 5.87257923482558878497692549178, 6.48899758106257706190792833118, 7.35393631253367282172254155252, 8.171603902186240338008563091253, 9.237434102207363638201860341587

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