Properties

Label 2-50-1.1-c7-0-6
Degree $2$
Conductor $50$
Sign $1$
Analytic cond. $15.6192$
Root an. cond. $3.95211$
Motivic weight $7$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 8·2-s + 43·3-s + 64·4-s + 344·6-s + 974·7-s + 512·8-s − 338·9-s + 87·11-s + 2.75e3·12-s + 1.48e4·13-s + 7.79e3·14-s + 4.09e3·16-s − 3.55e4·17-s − 2.70e3·18-s + 2.06e4·19-s + 4.18e4·21-s + 696·22-s + 2.22e4·23-s + 2.20e4·24-s + 1.18e5·26-s − 1.08e5·27-s + 6.23e4·28-s − 5.76e3·29-s + 3.02e5·31-s + 3.27e4·32-s + 3.74e3·33-s − 2.84e5·34-s + ⋯
L(s)  = 1  + 0.707·2-s + 0.919·3-s + 1/2·4-s + 0.650·6-s + 1.07·7-s + 0.353·8-s − 0.154·9-s + 0.0197·11-s + 0.459·12-s + 1.87·13-s + 0.758·14-s + 1/4·16-s − 1.75·17-s − 0.109·18-s + 0.689·19-s + 0.986·21-s + 0.0139·22-s + 0.380·23-s + 0.325·24-s + 1.32·26-s − 1.06·27-s + 0.536·28-s − 0.0438·29-s + 1.82·31-s + 0.176·32-s + 0.0181·33-s − 1.24·34-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 50 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 50 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(50\)    =    \(2 \cdot 5^{2}\)
Sign: $1$
Analytic conductor: \(15.6192\)
Root analytic conductor: \(3.95211\)
Motivic weight: \(7\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 50,\ (\ :7/2),\ 1)\)

Particular Values

\(L(4)\) \(\approx\) \(4.143434192\)
\(L(\frac12)\) \(\approx\) \(4.143434192\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - p^{3} T \)
5 \( 1 \)
good3 \( 1 - 43 T + p^{7} T^{2} \)
7 \( 1 - 974 T + p^{7} T^{2} \)
11 \( 1 - 87 T + p^{7} T^{2} \)
13 \( 1 - 14828 T + p^{7} T^{2} \)
17 \( 1 + 35571 T + p^{7} T^{2} \)
19 \( 1 - 1085 p T + p^{7} T^{2} \)
23 \( 1 - 42 p^{2} T + p^{7} T^{2} \)
29 \( 1 + 5760 T + p^{7} T^{2} \)
31 \( 1 - 302942 T + p^{7} T^{2} \)
37 \( 1 + 199366 T + p^{7} T^{2} \)
41 \( 1 + 668523 T + p^{7} T^{2} \)
43 \( 1 + 143212 T + p^{7} T^{2} \)
47 \( 1 + 338316 T + p^{7} T^{2} \)
53 \( 1 + 1094322 T + p^{7} T^{2} \)
59 \( 1 + 2135520 T + p^{7} T^{2} \)
61 \( 1 + 1939318 T + p^{7} T^{2} \)
67 \( 1 + 3348751 T + p^{7} T^{2} \)
71 \( 1 - 3005652 T + p^{7} T^{2} \)
73 \( 1 + 3048397 T + p^{7} T^{2} \)
79 \( 1 - 5485130 T + p^{7} T^{2} \)
83 \( 1 - 5205933 T + p^{7} T^{2} \)
89 \( 1 + 832665 T + p^{7} T^{2} \)
97 \( 1 - 5314754 T + p^{7} T^{2} \)
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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

−13.79414947288227901931867372671, −13.50239394834035152784739323064, −11.67918209715334951580709388365, −10.85345983737617165694505311437, −8.888174722354831899102768042706, −8.065553362880433584233309204490, −6.36491566534283492412585771464, −4.69574392619821651095452801115, −3.25012261275117587783173566296, −1.67875777347784413776077382503, 1.67875777347784413776077382503, 3.25012261275117587783173566296, 4.69574392619821651095452801115, 6.36491566534283492412585771464, 8.065553362880433584233309204490, 8.888174722354831899102768042706, 10.85345983737617165694505311437, 11.67918209715334951580709388365, 13.50239394834035152784739323064, 13.79414947288227901931867372671

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