Properties

Label 2-4021-1.1-c1-0-276
Degree $2$
Conductor $4021$
Sign $-1$
Analytic cond. $32.1078$
Root an. cond. $5.66637$
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  − 2·2-s + 3-s + 2·4-s + 3·5-s − 2·6-s + 4·7-s − 2·9-s − 6·10-s − 2·11-s + 2·12-s − 7·13-s − 8·14-s + 3·15-s − 4·16-s + 2·17-s + 4·18-s − 6·19-s + 6·20-s + 4·21-s + 4·22-s + 2·23-s + 4·25-s + 14·26-s − 5·27-s + 8·28-s − 6·30-s − 8·31-s + ⋯
L(s)  = 1  − 1.41·2-s + 0.577·3-s + 4-s + 1.34·5-s − 0.816·6-s + 1.51·7-s − 2/3·9-s − 1.89·10-s − 0.603·11-s + 0.577·12-s − 1.94·13-s − 2.13·14-s + 0.774·15-s − 16-s + 0.485·17-s + 0.942·18-s − 1.37·19-s + 1.34·20-s + 0.872·21-s + 0.852·22-s + 0.417·23-s + 4/5·25-s + 2.74·26-s − 0.962·27-s + 1.51·28-s − 1.09·30-s − 1.43·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 4021 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 4021 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(4021\)
Sign: $-1$
Analytic conductor: \(32.1078\)
Root analytic conductor: \(5.66637\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 4021,\ (\ :1/2),\ -1)\)

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)$
bad4021 \( 1+O(T) \)
good2 \( 1 + p T + p T^{2} \)
3 \( 1 - T + p T^{2} \)
5 \( 1 - 3 T + p T^{2} \)
7 \( 1 - 4 T + p T^{2} \)
11 \( 1 + 2 T + p T^{2} \)
13 \( 1 + 7 T + p T^{2} \)
17 \( 1 - 2 T + p T^{2} \)
19 \( 1 + 6 T + p T^{2} \)
23 \( 1 - 2 T + p T^{2} \)
29 \( 1 + p T^{2} \)
31 \( 1 + 8 T + p T^{2} \)
37 \( 1 - 5 T + p T^{2} \)
41 \( 1 - 2 T + p T^{2} \)
43 \( 1 + 10 T + p T^{2} \)
47 \( 1 - 4 T + p T^{2} \)
53 \( 1 + 5 T + p T^{2} \)
59 \( 1 + 7 T + p T^{2} \)
61 \( 1 - 7 T + p T^{2} \)
67 \( 1 + 9 T + p T^{2} \)
71 \( 1 + 3 T + p T^{2} \)
73 \( 1 + 7 T + p T^{2} \)
79 \( 1 + p T^{2} \)
83 \( 1 + 12 T + p T^{2} \)
89 \( 1 - 6 T + p T^{2} \)
97 \( 1 - 10 T + p T^{2} \)
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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

−8.191512266729550826988751605117, −7.66163751240228221106644028436, −7.02775442295137546944896136210, −5.85312347802252794461035828363, −5.14908600587112591673920829270, −4.49262689425840127793219031456, −2.75817315801570221960210431939, −2.14192786388500324377828550891, −1.61585751454237153489456050181, 0, 1.61585751454237153489456050181, 2.14192786388500324377828550891, 2.75817315801570221960210431939, 4.49262689425840127793219031456, 5.14908600587112591673920829270, 5.85312347802252794461035828363, 7.02775442295137546944896136210, 7.66163751240228221106644028436, 8.191512266729550826988751605117

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