Properties

Label 2-50-1.1-c3-0-2
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 + 2·3-s + 4·4-s + 4·6-s + 26·7-s + 8·8-s − 23·9-s − 28·11-s + 8·12-s + 12·13-s + 52·14-s + 16·16-s − 64·17-s − 46·18-s − 60·19-s + 52·21-s − 56·22-s − 58·23-s + 16·24-s + 24·26-s − 100·27-s + 104·28-s + 90·29-s − 128·31-s + 32·32-s − 56·33-s − 128·34-s + ⋯
L(s)  = 1  + 0.707·2-s + 0.384·3-s + 1/2·4-s + 0.272·6-s + 1.40·7-s + 0.353·8-s − 0.851·9-s − 0.767·11-s + 0.192·12-s + 0.256·13-s + 0.992·14-s + 1/4·16-s − 0.913·17-s − 0.602·18-s − 0.724·19-s + 0.540·21-s − 0.542·22-s − 0.525·23-s + 0.136·24-s + 0.181·26-s − 0.712·27-s + 0.701·28-s + 0.576·29-s − 0.741·31-s + 0.176·32-s − 0.295·33-s − 0.645·34-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

\(L(2)\) \(\approx\) \(2.223203766\)
\(L(\frac12)\) \(\approx\) \(2.223203766\)
\(L(\frac{5}{2})\) 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 \( 1 - 2 T + p^{3} T^{2} \)
7 \( 1 - 26 T + p^{3} T^{2} \)
11 \( 1 + 28 T + p^{3} T^{2} \)
13 \( 1 - 12 T + p^{3} T^{2} \)
17 \( 1 + 64 T + p^{3} T^{2} \)
19 \( 1 + 60 T + p^{3} T^{2} \)
23 \( 1 + 58 T + p^{3} T^{2} \)
29 \( 1 - 90 T + p^{3} T^{2} \)
31 \( 1 + 128 T + p^{3} T^{2} \)
37 \( 1 - 236 T + p^{3} T^{2} \)
41 \( 1 - 242 T + p^{3} T^{2} \)
43 \( 1 - 362 T + p^{3} T^{2} \)
47 \( 1 - 226 T + p^{3} T^{2} \)
53 \( 1 + 108 T + p^{3} T^{2} \)
59 \( 1 + 20 T + p^{3} T^{2} \)
61 \( 1 - 542 T + p^{3} T^{2} \)
67 \( 1 + 434 T + p^{3} T^{2} \)
71 \( 1 + 1128 T + p^{3} T^{2} \)
73 \( 1 - 632 T + p^{3} T^{2} \)
79 \( 1 + 720 T + p^{3} T^{2} \)
83 \( 1 + 478 T + p^{3} T^{2} \)
89 \( 1 + 490 T + p^{3} T^{2} \)
97 \( 1 - 1456 T + p^{3} T^{2} \)
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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

−14.77129951890050027381751937900, −14.09227179545508539474353914012, −12.95716080246762732420210290515, −11.52575913777725730280932238924, −10.74453963380820217789484345268, −8.726195892201281257052379545762, −7.69841516160078407168830209981, −5.81584695497405257785655748273, −4.41591693684014353406097660278, −2.37376225911289568237317825355, 2.37376225911289568237317825355, 4.41591693684014353406097660278, 5.81584695497405257785655748273, 7.69841516160078407168830209981, 8.726195892201281257052379545762, 10.74453963380820217789484345268, 11.52575913777725730280932238924, 12.95716080246762732420210290515, 14.09227179545508539474353914012, 14.77129951890050027381751937900

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