Properties

Label 2-30815-1.1-c1-0-0
Degree $2$
Conductor $30815$
Sign $1$
Analytic cond. $246.059$
Root an. cond. $15.6862$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $2$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·4-s + 5-s − 3·9-s + 2·11-s − 6·13-s + 4·16-s − 5·17-s − 2·19-s − 2·20-s + 3·23-s + 25-s − 6·29-s − 4·31-s + 6·36-s − 7·37-s − 12·43-s − 4·44-s − 3·45-s − 6·47-s − 7·49-s + 12·52-s + 3·53-s + 2·55-s − 10·59-s − 2·61-s − 8·64-s − 6·65-s + ⋯
L(s)  = 1  − 4-s + 0.447·5-s − 9-s + 0.603·11-s − 1.66·13-s + 16-s − 1.21·17-s − 0.458·19-s − 0.447·20-s + 0.625·23-s + 1/5·25-s − 1.11·29-s − 0.718·31-s + 36-s − 1.15·37-s − 1.82·43-s − 0.603·44-s − 0.447·45-s − 0.875·47-s − 49-s + 1.66·52-s + 0.412·53-s + 0.269·55-s − 1.30·59-s − 0.256·61-s − 64-s − 0.744·65-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 30815 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 30815 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(30815\)    =    \(5 \cdot 6163\)
Sign: $1$
Analytic conductor: \(246.059\)
Root analytic conductor: \(15.6862\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(2\)
Selberg data: \((2,\ 30815,\ (\ :1/2),\ 1)\)

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)$
bad5 \( 1 - T \)
6163 \( 1 + T \)
good2 \( 1 + p T^{2} \)
3 \( 1 + p T^{2} \)
7 \( 1 + p T^{2} \)
11 \( 1 - 2 T + p T^{2} \)
13 \( 1 + 6 T + p T^{2} \)
17 \( 1 + 5 T + p T^{2} \)
19 \( 1 + 2 T + p T^{2} \)
23 \( 1 - 3 T + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 + 7 T + p T^{2} \)
41 \( 1 + p T^{2} \)
43 \( 1 + 12 T + p T^{2} \)
47 \( 1 + 6 T + p T^{2} \)
53 \( 1 - 3 T + p T^{2} \)
59 \( 1 + 10 T + p T^{2} \)
61 \( 1 + 2 T + p T^{2} \)
67 \( 1 + 13 T + p T^{2} \)
71 \( 1 - 12 T + p T^{2} \)
73 \( 1 + 6 T + p T^{2} \)
79 \( 1 - 16 T + p T^{2} \)
83 \( 1 + 6 T + p T^{2} \)
89 \( 1 + 18 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−15.27552781508003, −14.98932916748937, −14.58704666492583, −14.03840648285451, −13.58376503343447, −13.01936042449564, −12.56036854604158, −11.98784821775843, −11.35605370666658, −10.85507119634175, −10.11853309538124, −9.637128962142948, −9.046503153679779, −8.833413332117972, −8.133306811460132, −7.445039264233371, −6.772583990290189, −6.227387334947741, −5.420396268260745, −4.978961448052874, −4.546193061327092, −3.634278025830638, −3.070862559957956, −2.196657573311608, −1.544688076191302, 0, 0, 1.544688076191302, 2.196657573311608, 3.070862559957956, 3.634278025830638, 4.546193061327092, 4.978961448052874, 5.420396268260745, 6.227387334947741, 6.772583990290189, 7.445039264233371, 8.133306811460132, 8.833413332117972, 9.046503153679779, 9.637128962142948, 10.11853309538124, 10.85507119634175, 11.35605370666658, 11.98784821775843, 12.56036854604158, 13.01936042449564, 13.58376503343447, 14.03840648285451, 14.58704666492583, 14.98932916748937, 15.27552781508003

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