Normalization:  

Dirichlet series

L(s)  = 1  − 2·3-s − 2·7-s + 9-s + 2·13-s + 6·17-s + 4·19-s + 4·21-s − 6·23-s + 4·27-s − 6·29-s − 4·31-s + 2·37-s − 4·39-s + 6·41-s − 10·43-s + 6·47-s − 3·49-s − 12·51-s − 6·53-s − 8·57-s − 12·59-s − 2·61-s − 2·63-s + 2·67-s + 12·69-s − 12·71-s − 2·73-s + ⋯
L(s)  = 1  − 1.15·3-s − 0.755·7-s + 1/3·9-s + 0.554·13-s + 1.45·17-s + 0.917·19-s + 0.872·21-s − 1.25·23-s + 0.769·27-s − 1.11·29-s − 0.718·31-s + 0.328·37-s − 0.640·39-s + 0.937·41-s − 1.52·43-s + 0.875·47-s − 3/7·49-s − 1.68·51-s − 0.824·53-s − 1.05·57-s − 1.56·59-s − 0.256·61-s − 0.251·63-s + 0.244·67-s + 1.44·69-s − 1.42·71-s − 0.234·73-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $-1$
Analytic conductor: \(12.7760\)
Root analytic conductor: \(3.57436\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1600,\ (\ :1/2),\ -1)\)

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

−9.258669147089765462577284951282, −8.059368180384024597996443374210, −7.35539571990596814095408613512, −6.29701258427927054860013270677, −5.82400824359360078327530562400, −5.13587744668360471627377345602, −3.88729748658685945494863770486, −3.05243989682609854421294881882, −1.38798538048163665478930118728, 0, 1.38798538048163665478930118728, 3.05243989682609854421294881882, 3.88729748658685945494863770486, 5.13587744668360471627377345602, 5.82400824359360078327530562400, 6.29701258427927054860013270677, 7.35539571990596814095408613512, 8.059368180384024597996443374210, 9.258669147089765462577284951282

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