Properties

Label 2-1815-15.14-c0-0-8
Degree $2$
Conductor $1815$
Sign $1$
Analytic cond. $0.905802$
Root an. cond. $0.951736$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s + 3-s + 5-s + 6-s − 8-s + 9-s + 10-s + 15-s − 16-s + 17-s + 18-s − 2·19-s − 23-s − 24-s + 25-s + 27-s + 30-s − 31-s + 34-s − 2·38-s − 40-s + 45-s − 46-s − 47-s − 48-s + 49-s + 50-s + ⋯
L(s)  = 1  + 2-s + 3-s + 5-s + 6-s − 8-s + 9-s + 10-s + 15-s − 16-s + 17-s + 18-s − 2·19-s − 23-s − 24-s + 25-s + 27-s + 30-s − 31-s + 34-s − 2·38-s − 40-s + 45-s − 46-s − 47-s − 48-s + 49-s + 50-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1815 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1815 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1815\)    =    \(3 \cdot 5 \cdot 11^{2}\)
Sign: $1$
Analytic conductor: \(0.905802\)
Root analytic conductor: \(0.951736\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{1815} (1574, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1815,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(2.592667238\)
\(L(\frac12)\) \(\approx\) \(2.592667238\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 - T \)
5 \( 1 - T \)
11 \( 1 \)
good2 \( 1 - T + T^{2} \)
7 \( ( 1 - T )( 1 + T ) \)
13 \( ( 1 - T )( 1 + T ) \)
17 \( 1 - T + T^{2} \)
19 \( ( 1 + T )^{2} \)
23 \( 1 + T + T^{2} \)
29 \( ( 1 - T )( 1 + T ) \)
31 \( 1 + T + T^{2} \)
37 \( ( 1 - T )( 1 + T ) \)
41 \( ( 1 - T )( 1 + T ) \)
43 \( ( 1 - T )( 1 + T ) \)
47 \( 1 + T + T^{2} \)
53 \( 1 + T + T^{2} \)
59 \( ( 1 - T )( 1 + T ) \)
61 \( 1 - T + T^{2} \)
67 \( ( 1 - T )( 1 + T ) \)
71 \( ( 1 - T )( 1 + T ) \)
73 \( ( 1 - T )( 1 + T ) \)
79 \( 1 - T + T^{2} \)
83 \( ( 1 + T )^{2} \)
89 \( ( 1 - T )( 1 + T ) \)
97 \( ( 1 - T )( 1 + T ) \)
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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

−9.436501050273085618038975308011, −8.697300444665064658213748402884, −8.051924498767069863714022272454, −6.85909719840929975084904019562, −6.13084077997787846505190216566, −5.34075176233648826951998931411, −4.38449780920399050394267377360, −3.66473119385230487976442090257, −2.67503203988989820020920962402, −1.81312358071115943302850856875, 1.81312358071115943302850856875, 2.67503203988989820020920962402, 3.66473119385230487976442090257, 4.38449780920399050394267377360, 5.34075176233648826951998931411, 6.13084077997787846505190216566, 6.85909719840929975084904019562, 8.051924498767069863714022272454, 8.697300444665064658213748402884, 9.436501050273085618038975308011

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