Properties

Label 2-50-1.1-c3-0-3
Degree $2$
Conductor $50$
Sign $1$
Analytic cond. $2.95009$
Root an. cond. $1.71758$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2·2-s + 7·3-s + 4·4-s + 14·6-s − 34·7-s + 8·8-s + 22·9-s + 27·11-s + 28·12-s − 28·13-s − 68·14-s + 16·16-s + 21·17-s + 44·18-s + 35·19-s − 238·21-s + 54·22-s − 78·23-s + 56·24-s − 56·26-s − 35·27-s − 136·28-s − 120·29-s + 182·31-s + 32·32-s + 189·33-s + 42·34-s + ⋯
L(s)  = 1  + 0.707·2-s + 1.34·3-s + 1/2·4-s + 0.952·6-s − 1.83·7-s + 0.353·8-s + 0.814·9-s + 0.740·11-s + 0.673·12-s − 0.597·13-s − 1.29·14-s + 1/4·16-s + 0.299·17-s + 0.576·18-s + 0.422·19-s − 2.47·21-s + 0.523·22-s − 0.707·23-s + 0.476·24-s − 0.422·26-s − 0.249·27-s − 0.917·28-s − 0.768·29-s + 1.05·31-s + 0.176·32-s + 0.996·33-s + 0.211·34-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 50 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 50 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(50\)    =    \(2 \cdot 5^{2}\)
Sign: $1$
Analytic conductor: \(2.95009\)
Root analytic conductor: \(1.71758\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 50,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(2.492197210\)
\(L(\frac12)\) \(\approx\) \(2.492197210\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - p T \)
5 \( 1 \)
good3 \( 1 - 7 T + p^{3} T^{2} \)
7 \( 1 + 34 T + p^{3} T^{2} \)
11 \( 1 - 27 T + p^{3} T^{2} \)
13 \( 1 + 28 T + p^{3} T^{2} \)
17 \( 1 - 21 T + p^{3} T^{2} \)
19 \( 1 - 35 T + p^{3} T^{2} \)
23 \( 1 + 78 T + p^{3} T^{2} \)
29 \( 1 + 120 T + p^{3} T^{2} \)
31 \( 1 - 182 T + p^{3} T^{2} \)
37 \( 1 - 146 T + p^{3} T^{2} \)
41 \( 1 - 357 T + p^{3} T^{2} \)
43 \( 1 + 148 T + p^{3} T^{2} \)
47 \( 1 + 84 T + p^{3} T^{2} \)
53 \( 1 - 702 T + p^{3} T^{2} \)
59 \( 1 + 840 T + p^{3} T^{2} \)
61 \( 1 + 238 T + p^{3} T^{2} \)
67 \( 1 - 461 T + p^{3} T^{2} \)
71 \( 1 + 708 T + p^{3} T^{2} \)
73 \( 1 + 133 T + p^{3} T^{2} \)
79 \( 1 - 650 T + p^{3} T^{2} \)
83 \( 1 + 903 T + p^{3} T^{2} \)
89 \( 1 - 735 T + p^{3} T^{2} \)
97 \( 1 - 1106 T + p^{3} T^{2} \)
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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

−14.85968603147664231141558773019, −13.89404450416413533969944784393, −13.06059084228858212332733008637, −12.00590856826000061959897808646, −9.987039499648964655581028278805, −9.161232348529186663694273724453, −7.50540663806772273306522443384, −6.17722218497597972994388809641, −3.84905882882645491861869169033, −2.75166401889686716685696480861, 2.75166401889686716685696480861, 3.84905882882645491861869169033, 6.17722218497597972994388809641, 7.50540663806772273306522443384, 9.161232348529186663694273724453, 9.987039499648964655581028278805, 12.00590856826000061959897808646, 13.06059084228858212332733008637, 13.89404450416413533969944784393, 14.85968603147664231141558773019

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