Properties

Label 2-15-15.14-c34-0-32
Degree $2$
Conductor $15$
Sign $1$
Analytic cond. $109.838$
Root an. cond. $10.4803$
Motivic weight $34$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.39e5·2-s − 1.29e8·3-s + 4.02e10·4-s + 7.62e11·5-s + 3.09e13·6-s − 5.53e15·8-s + 1.66e16·9-s − 1.82e17·10-s − 5.20e18·12-s − 9.85e19·15-s + 6.35e20·16-s − 1.32e21·17-s − 3.99e21·18-s + 9.62e21·19-s + 3.07e22·20-s + 2.82e23·23-s + 7.14e23·24-s + 5.82e23·25-s − 2.15e24·27-s + 2.36e25·30-s + 2.35e25·31-s − 5.71e25·32-s + 3.18e26·34-s + 6.71e26·36-s − 2.30e27·38-s − 4.22e27·40-s + 1.27e28·45-s + ⋯
L(s)  = 1  − 1.82·2-s − 3-s + 2.34·4-s + 5-s + 1.82·6-s − 2.45·8-s + 9-s − 1.82·10-s − 2.34·12-s − 15-s + 2.15·16-s − 1.60·17-s − 1.82·18-s + 1.75·19-s + 2.34·20-s + 1.99·23-s + 2.45·24-s + 25-s − 27-s + 1.82·30-s + 1.04·31-s − 1.47·32-s + 2.93·34-s + 2.34·36-s − 3.21·38-s − 2.45·40-s + 45-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 15 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(35-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 15 ^{s/2} \, \Gamma_{\C}(s+17) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(15\)    =    \(3 \cdot 5\)
Sign: $1$
Analytic conductor: \(109.838\)
Root analytic conductor: \(10.4803\)
Motivic weight: \(34\)
Rational: yes
Arithmetic: yes
Character: $\chi_{15} (14, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 15,\ (\ :17),\ 1)\)

Particular Values

\(L(\frac{35}{2})\) \(\approx\) \(0.8556020332\)
\(L(\frac12)\) \(\approx\) \(0.8556020332\)
\(L(18)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + p^{17} T \)
5 \( 1 - p^{17} T \)
good2 \( 1 + 239699 T + p^{34} T^{2} \)
7 \( ( 1 - p^{17} T )( 1 + p^{17} T ) \)
11 \( ( 1 - p^{17} T )( 1 + p^{17} T ) \)
13 \( ( 1 - p^{17} T )( 1 + p^{17} T ) \)
17 \( 1 + \)\(13\!\cdots\!74\)\( T + p^{34} T^{2} \)
19 \( 1 - \)\(96\!\cdots\!38\)\( T + p^{34} T^{2} \)
23 \( 1 - \)\(28\!\cdots\!14\)\( T + p^{34} T^{2} \)
29 \( ( 1 - p^{17} T )( 1 + p^{17} T ) \)
31 \( 1 - \)\(23\!\cdots\!82\)\( T + p^{34} T^{2} \)
37 \( ( 1 - p^{17} T )( 1 + p^{17} T ) \)
41 \( ( 1 - p^{17} T )( 1 + p^{17} T ) \)
43 \( ( 1 - p^{17} T )( 1 + p^{17} T ) \)
47 \( 1 + \)\(30\!\cdots\!54\)\( T + p^{34} T^{2} \)
53 \( 1 - \)\(15\!\cdots\!54\)\( T + p^{34} T^{2} \)
59 \( ( 1 - p^{17} T )( 1 + p^{17} T ) \)
61 \( 1 - \)\(15\!\cdots\!82\)\( T + p^{34} T^{2} \)
67 \( ( 1 - p^{17} T )( 1 + p^{17} T ) \)
71 \( ( 1 - p^{17} T )( 1 + p^{17} T ) \)
73 \( ( 1 - p^{17} T )( 1 + p^{17} T ) \)
79 \( 1 + \)\(33\!\cdots\!22\)\( T + p^{34} T^{2} \)
83 \( 1 - \)\(82\!\cdots\!34\)\( T + p^{34} T^{2} \)
89 \( ( 1 - p^{17} T )( 1 + p^{17} T ) \)
97 \( ( 1 - p^{17} T )( 1 + p^{17} T ) \)
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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

−11.64686000455722507481186805473, −10.76640517147164735847743716745, −9.773164983836162761019795738811, −8.896840566290807859914145045198, −7.21290204286484371027208377174, −6.44752394089391359510538076453, −5.11966785379544511903249799154, −2.64493295195558494984177194021, −1.40585396394185426683415418766, −0.67480363475196286399791994967, 0.67480363475196286399791994967, 1.40585396394185426683415418766, 2.64493295195558494984177194021, 5.11966785379544511903249799154, 6.44752394089391359510538076453, 7.21290204286484371027208377174, 8.896840566290807859914145045198, 9.773164983836162761019795738811, 10.76640517147164735847743716745, 11.64686000455722507481186805473

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