Properties

Label 2-348-1.1-c1-0-0
Degree $2$
Conductor $348$
Sign $1$
Analytic cond. $2.77879$
Root an. cond. $1.66697$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s − 2·5-s + 7-s + 9-s + 3·11-s + 5·13-s + 2·15-s − 17-s + 6·19-s − 21-s + 4·23-s − 25-s − 27-s − 29-s − 3·33-s − 2·35-s + 8·37-s − 5·39-s − 10·41-s + 4·43-s − 2·45-s + 7·47-s − 6·49-s + 51-s − 2·53-s − 6·55-s − 6·57-s + ⋯
L(s)  = 1  − 0.577·3-s − 0.894·5-s + 0.377·7-s + 1/3·9-s + 0.904·11-s + 1.38·13-s + 0.516·15-s − 0.242·17-s + 1.37·19-s − 0.218·21-s + 0.834·23-s − 1/5·25-s − 0.192·27-s − 0.185·29-s − 0.522·33-s − 0.338·35-s + 1.31·37-s − 0.800·39-s − 1.56·41-s + 0.609·43-s − 0.298·45-s + 1.02·47-s − 6/7·49-s + 0.140·51-s − 0.274·53-s − 0.809·55-s − 0.794·57-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 348 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 348 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(348\)    =    \(2^{2} \cdot 3 \cdot 29\)
Sign: $1$
Analytic conductor: \(2.77879\)
Root analytic conductor: \(1.66697\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 348,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.100122370\)
\(L(\frac12)\) \(\approx\) \(1.100122370\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 + T \)
29 \( 1 + T \)
good5 \( 1 + 2 T + p T^{2} \)
7 \( 1 - T + p T^{2} \)
11 \( 1 - 3 T + p T^{2} \)
13 \( 1 - 5 T + p T^{2} \)
17 \( 1 + T + p T^{2} \)
19 \( 1 - 6 T + p T^{2} \)
23 \( 1 - 4 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 - 8 T + p T^{2} \)
41 \( 1 + 10 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 - 7 T + p T^{2} \)
53 \( 1 + 2 T + p T^{2} \)
59 \( 1 - 6 T + p T^{2} \)
61 \( 1 + 8 T + p T^{2} \)
67 \( 1 - 3 T + p T^{2} \)
71 \( 1 + 4 T + p T^{2} \)
73 \( 1 - 4 T + p T^{2} \)
79 \( 1 - 6 T + p T^{2} \)
83 \( 1 + 14 T + p T^{2} \)
89 \( 1 + 7 T + p T^{2} \)
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

−11.43273667210714225198582211926, −10.97068314281864484181970531247, −9.637871756642183477262657920063, −8.654893908187538893836500050806, −7.67887968324846853631830302948, −6.70747891758788855958534164846, −5.63832038652767849241596678261, −4.39775276556313161721819607185, −3.44164669981770176306332772865, −1.19241476492855777568757791158, 1.19241476492855777568757791158, 3.44164669981770176306332772865, 4.39775276556313161721819607185, 5.63832038652767849241596678261, 6.70747891758788855958534164846, 7.67887968324846853631830302948, 8.654893908187538893836500050806, 9.637871756642183477262657920063, 10.97068314281864484181970531247, 11.43273667210714225198582211926

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