Properties

Label 2-348-1.1-c1-0-1
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 + 11-s − 3·13-s + 2·15-s − 3·17-s + 2·19-s + 21-s + 8·23-s − 25-s + 27-s + 29-s − 8·31-s + 33-s + 2·35-s − 3·39-s + 2·41-s + 2·45-s + 5·47-s − 6·49-s − 3·51-s − 2·53-s + 2·55-s + 2·57-s − 6·59-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.894·5-s + 0.377·7-s + 1/3·9-s + 0.301·11-s − 0.832·13-s + 0.516·15-s − 0.727·17-s + 0.458·19-s + 0.218·21-s + 1.66·23-s − 1/5·25-s + 0.192·27-s + 0.185·29-s − 1.43·31-s + 0.174·33-s + 0.338·35-s − 0.480·39-s + 0.312·41-s + 0.298·45-s + 0.729·47-s − 6/7·49-s − 0.420·51-s − 0.274·53-s + 0.269·55-s + 0.264·57-s − 0.781·59-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

\(L(1)\) \(\approx\) \(1.856994818\)
\(L(\frac12)\) \(\approx\) \(1.856994818\)
\(L(\frac{3}{2})\) 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 \( 1 \)
3 \( 1 - T \)
29 \( 1 - T \)
good5 \( 1 - 2 T + p T^{2} \) 1.5.ac
7 \( 1 - T + p T^{2} \) 1.7.ab
11 \( 1 - T + p T^{2} \) 1.11.ab
13 \( 1 + 3 T + p T^{2} \) 1.13.d
17 \( 1 + 3 T + p T^{2} \) 1.17.d
19 \( 1 - 2 T + p T^{2} \) 1.19.ac
23 \( 1 - 8 T + p T^{2} \) 1.23.ai
31 \( 1 + 8 T + p T^{2} \) 1.31.i
37 \( 1 + p T^{2} \) 1.37.a
41 \( 1 - 2 T + p T^{2} \) 1.41.ac
43 \( 1 + p T^{2} \) 1.43.a
47 \( 1 - 5 T + p T^{2} \) 1.47.af
53 \( 1 + 2 T + p T^{2} \) 1.53.c
59 \( 1 + 6 T + p T^{2} \) 1.59.g
61 \( 1 + 12 T + p T^{2} \) 1.61.m
67 \( 1 - 3 T + p T^{2} \) 1.67.ad
71 \( 1 - 4 T + p T^{2} \) 1.71.ae
73 \( 1 + 16 T + p T^{2} \) 1.73.q
79 \( 1 + 2 T + p T^{2} \) 1.79.c
83 \( 1 + 6 T + p T^{2} \) 1.83.g
89 \( 1 - 3 T + p T^{2} \) 1.89.ad
97 \( 1 + 6 T + p T^{2} \) 1.97.g
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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

−11.40895927564426908442159942943, −10.50064536446632234144619752022, −9.426303336015217858684772555140, −8.984797713959564715274282326442, −7.68279371077555725335656773359, −6.81678658339170657785131854385, −5.55463478091332443970021031210, −4.51698377791384209106277246274, −2.97182530915931491923506365555, −1.74153678405777120495362082920, 1.74153678405777120495362082920, 2.97182530915931491923506365555, 4.51698377791384209106277246274, 5.55463478091332443970021031210, 6.81678658339170657785131854385, 7.68279371077555725335656773359, 8.984797713959564715274282326442, 9.426303336015217858684772555140, 10.50064536446632234144619752022, 11.40895927564426908442159942943

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