Normalization:  

Dirichlet series

L(s)  = 1  − 2-s + 4-s − 5·7-s − 8-s − 3·9-s + 2·11-s − 2·13-s + 5·14-s + 16-s − 6·17-s + 3·18-s + 7·19-s − 2·22-s − 6·23-s − 5·25-s + 2·26-s − 5·28-s − 3·29-s + 2·31-s − 32-s + 6·34-s − 3·36-s − 37-s − 7·38-s − 9·41-s + 12·43-s + 2·44-s + ⋯
L(s)  = 1  − 0.707·2-s + 1/2·4-s − 1.88·7-s − 0.353·8-s − 9-s + 0.603·11-s − 0.554·13-s + 1.33·14-s + 1/4·16-s − 1.45·17-s + 0.707·18-s + 1.60·19-s − 0.426·22-s − 1.25·23-s − 25-s + 0.392·26-s − 0.944·28-s − 0.557·29-s + 0.359·31-s − 0.176·32-s + 1.02·34-s − 1/2·36-s − 0.164·37-s − 1.13·38-s − 1.40·41-s + 1.82·43-s + 0.301·44-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 262 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 262 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(262\)    =    \(2 \cdot 131\)
Sign: $-1$
Analytic conductor: \(2.09208\)
Root analytic conductor: \(1.44640\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 262,\ (\ :1/2),\ -1)\)

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 \( 1 + T \)
131 \( 1 + T \)
good3 \( 1 + p T^{2} \) 1.3.a
5 \( 1 + p T^{2} \) 1.5.a
7 \( 1 + 5 T + p T^{2} \) 1.7.f
11 \( 1 - 2 T + p T^{2} \) 1.11.ac
13 \( 1 + 2 T + p T^{2} \) 1.13.c
17 \( 1 + 6 T + p T^{2} \) 1.17.g
19 \( 1 - 7 T + p T^{2} \) 1.19.ah
23 \( 1 + 6 T + p T^{2} \) 1.23.g
29 \( 1 + 3 T + p T^{2} \) 1.29.d
31 \( 1 - 2 T + p T^{2} \) 1.31.ac
37 \( 1 + T + p T^{2} \) 1.37.b
41 \( 1 + 9 T + p T^{2} \) 1.41.j
43 \( 1 - 12 T + p T^{2} \) 1.43.am
47 \( 1 + p T^{2} \) 1.47.a
53 \( 1 - 10 T + p T^{2} \) 1.53.ak
59 \( 1 + 4 T + p T^{2} \) 1.59.e
61 \( 1 + 8 T + p T^{2} \) 1.61.i
67 \( 1 - 7 T + p T^{2} \) 1.67.ah
71 \( 1 + 10 T + p T^{2} \) 1.71.k
73 \( 1 - 6 T + p T^{2} \) 1.73.ag
79 \( 1 + 4 T + p T^{2} \) 1.79.e
83 \( 1 + 11 T + p T^{2} \) 1.83.l
89 \( 1 - 13 T + p T^{2} \) 1.89.an
97 \( 1 + 8 T + p T^{2} \) 1.97.i
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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

−11.58213239794896313457390750967, −10.28761525294710471211767072126, −9.485403787654819352282231757213, −8.916866517552647291235515039702, −7.54266208602824924195749165375, −6.53835771973631692587002532310, −5.74382242989528346650352558559, −3.73621126104640023985723853467, −2.55661849848079940008326913553, 0, 2.55661849848079940008326913553, 3.73621126104640023985723853467, 5.74382242989528346650352558559, 6.53835771973631692587002532310, 7.54266208602824924195749165375, 8.916866517552647291235515039702, 9.485403787654819352282231757213, 10.28761525294710471211767072126, 11.58213239794896313457390750967

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