Properties

Label 2-7e2-1.1-c25-0-5
Degree $2$
Conductor $49$
Sign $1$
Analytic cond. $194.038$
Root an. cond. $13.9297$
Motivic weight $25$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + 5.46e3·2-s − 1.29e6·3-s − 3.72e6·4-s − 2.23e8·5-s − 7.06e9·6-s − 2.03e11·8-s + 8.24e11·9-s − 1.22e12·10-s + 1.88e13·11-s + 4.81e12·12-s − 8.69e13·13-s + 2.89e14·15-s − 9.87e14·16-s − 4.52e13·17-s + 4.50e15·18-s − 3.96e15·19-s + 8.32e14·20-s + 1.02e17·22-s − 5.77e16·23-s + 2.63e17·24-s − 2.47e17·25-s − 4.74e17·26-s + 2.91e16·27-s + 1.05e18·29-s + 1.58e18·30-s − 8.29e18·31-s + 1.43e18·32-s + ⋯
L(s)  = 1  + 0.942·2-s − 1.40·3-s − 0.110·4-s − 0.409·5-s − 1.32·6-s − 1.04·8-s + 0.973·9-s − 0.386·10-s + 1.81·11-s + 0.155·12-s − 1.03·13-s + 0.575·15-s − 0.876·16-s − 0.0188·17-s + 0.917·18-s − 0.411·19-s + 0.0454·20-s + 1.70·22-s − 0.549·23-s + 1.47·24-s − 0.832·25-s − 0.975·26-s + 0.0374·27-s + 0.552·29-s + 0.542·30-s − 1.89·31-s + 0.220·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 49 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(26-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 49 ^{s/2} \, \Gamma_{\C}(s+25/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(49\)    =    \(7^{2}\)
Sign: $1$
Analytic conductor: \(194.038\)
Root analytic conductor: \(13.9297\)
Motivic weight: \(25\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 49,\ (\ :25/2),\ 1)\)

Particular Values

\(L(13)\) \(\approx\) \(0.4841851603\)
\(L(\frac12)\) \(\approx\) \(0.4841851603\)
\(L(\frac{27}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 \)
good2 \( 1 - 5.46e3T + 3.35e7T^{2} \)
3 \( 1 + 1.29e6T + 8.47e11T^{2} \)
5 \( 1 + 2.23e8T + 2.98e17T^{2} \)
11 \( 1 - 1.88e13T + 1.08e26T^{2} \)
13 \( 1 + 8.69e13T + 7.05e27T^{2} \)
17 \( 1 + 4.52e13T + 5.77e30T^{2} \)
19 \( 1 + 3.96e15T + 9.30e31T^{2} \)
23 \( 1 + 5.77e16T + 1.10e34T^{2} \)
29 \( 1 - 1.05e18T + 3.63e36T^{2} \)
31 \( 1 + 8.29e18T + 1.92e37T^{2} \)
37 \( 1 + 6.11e19T + 1.60e39T^{2} \)
41 \( 1 + 9.27e19T + 2.08e40T^{2} \)
43 \( 1 + 1.91e20T + 6.86e40T^{2} \)
47 \( 1 + 1.81e20T + 6.34e41T^{2} \)
53 \( 1 + 5.27e21T + 1.27e43T^{2} \)
59 \( 1 - 1.55e22T + 1.86e44T^{2} \)
61 \( 1 - 1.62e22T + 4.29e44T^{2} \)
67 \( 1 + 5.66e22T + 4.48e45T^{2} \)
71 \( 1 + 6.75e22T + 1.91e46T^{2} \)
73 \( 1 + 1.14e23T + 3.82e46T^{2} \)
79 \( 1 + 3.76e23T + 2.75e47T^{2} \)
83 \( 1 + 1.26e24T + 9.48e47T^{2} \)
89 \( 1 - 2.64e24T + 5.42e48T^{2} \)
97 \( 1 - 4.68e24T + 4.66e49T^{2} \)
show more
show less
   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−11.47735248231436385569249502756, −9.994568222687812818137613787537, −8.809386573683970026678254571356, −7.03051995385775672274515459342, −6.18041296812959769975334886616, −5.23250108418854624765536974438, −4.34116018311604778579623447202, −3.50426724507219163770498543203, −1.69688416689267854927811822205, −0.27246362630494309611095569493, 0.27246362630494309611095569493, 1.69688416689267854927811822205, 3.50426724507219163770498543203, 4.34116018311604778579623447202, 5.23250108418854624765536974438, 6.18041296812959769975334886616, 7.03051995385775672274515459342, 8.809386573683970026678254571356, 9.994568222687812818137613787537, 11.47735248231436385569249502756

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