Properties

Label 49.2.a.a
Level $49$
Weight $2$
Character orbit 49.a
Self dual yes
Analytic conductor $0.391$
Analytic rank $0$
Dimension $1$
CM discriminant -7
Inner twists $2$

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Newspace parameters

Level: \( N \) \(=\) \( 49 = 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 49.a (trivial)

Newform invariants

Self dual: yes
Analytic conductor: \(0.391266969904\)
Analytic rank: \(0\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Fricke sign: \(-1\)
Sato-Tate group: $N(\mathrm{U}(1))$

$q$-expansion

\(f(q)\) \(=\) \( q + q^{2} - q^{4} - 3q^{8} - 3q^{9} + O(q^{10}) \) \( q + q^{2} - q^{4} - 3q^{8} - 3q^{9} + 4q^{11} - q^{16} - 3q^{18} + 4q^{22} + 8q^{23} - 5q^{25} + 2q^{29} + 5q^{32} + 3q^{36} - 6q^{37} - 12q^{43} - 4q^{44} + 8q^{46} - 5q^{50} - 10q^{53} + 2q^{58} + 7q^{64} + 4q^{67} + 16q^{71} + 9q^{72} - 6q^{74} + 8q^{79} + 9q^{81} - 12q^{86} - 12q^{88} - 8q^{92} - 12q^{99} + O(q^{100}) \)

Embeddings

For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.

For more information on an embedded modular form you can click on its label.

Label \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
0
1.00000 0 −1.00000 0 0 0 −3.00000 −3.00000 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(7\) \(-1\)

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
7.b odd 2 1 CM by \(\Q(\sqrt{-7}) \)

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 49.2.a.a 1
3.b odd 2 1 441.2.a.c 1
4.b odd 2 1 784.2.a.f 1
5.b even 2 1 1225.2.a.c 1
5.c odd 4 2 1225.2.b.c 2
7.b odd 2 1 CM 49.2.a.a 1
7.c even 3 2 49.2.c.a 2
7.d odd 6 2 49.2.c.a 2
8.b even 2 1 3136.2.a.n 1
8.d odd 2 1 3136.2.a.o 1
11.b odd 2 1 5929.2.a.c 1
12.b even 2 1 7056.2.a.bg 1
13.b even 2 1 8281.2.a.d 1
21.c even 2 1 441.2.a.c 1
21.g even 6 2 441.2.e.d 2
21.h odd 6 2 441.2.e.d 2
28.d even 2 1 784.2.a.f 1
28.f even 6 2 784.2.i.f 2
28.g odd 6 2 784.2.i.f 2
35.c odd 2 1 1225.2.a.c 1
35.f even 4 2 1225.2.b.c 2
56.e even 2 1 3136.2.a.o 1
56.h odd 2 1 3136.2.a.n 1
77.b even 2 1 5929.2.a.c 1
84.h odd 2 1 7056.2.a.bg 1
91.b odd 2 1 8281.2.a.d 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
49.2.a.a 1 1.a even 1 1 trivial
49.2.a.a 1 7.b odd 2 1 CM
49.2.c.a 2 7.c even 3 2
49.2.c.a 2 7.d odd 6 2
441.2.a.c 1 3.b odd 2 1
441.2.a.c 1 21.c even 2 1
441.2.e.d 2 21.g even 6 2
441.2.e.d 2 21.h odd 6 2
784.2.a.f 1 4.b odd 2 1
784.2.a.f 1 28.d even 2 1
784.2.i.f 2 28.f even 6 2
784.2.i.f 2 28.g odd 6 2
1225.2.a.c 1 5.b even 2 1
1225.2.a.c 1 35.c odd 2 1
1225.2.b.c 2 5.c odd 4 2
1225.2.b.c 2 35.f even 4 2
3136.2.a.n 1 8.b even 2 1
3136.2.a.n 1 56.h odd 2 1
3136.2.a.o 1 8.d odd 2 1
3136.2.a.o 1 56.e even 2 1
5929.2.a.c 1 11.b odd 2 1
5929.2.a.c 1 77.b even 2 1
7056.2.a.bg 1 12.b even 2 1
7056.2.a.bg 1 84.h odd 2 1
8281.2.a.d 1 13.b even 2 1
8281.2.a.d 1 91.b odd 2 1

Hecke kernels

This newform subspace is the entire newspace \(S_{2}^{\mathrm{new}}(\Gamma_0(49))\).

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( 1 - T + 2 T^{2} \)
$3$ \( 1 + 3 T^{2} \)
$5$ \( 1 + 5 T^{2} \)
$7$ 1
$11$ \( 1 - 4 T + 11 T^{2} \)
$13$ \( 1 + 13 T^{2} \)
$17$ \( 1 + 17 T^{2} \)
$19$ \( 1 + 19 T^{2} \)
$23$ \( 1 - 8 T + 23 T^{2} \)
$29$ \( 1 - 2 T + 29 T^{2} \)
$31$ \( 1 + 31 T^{2} \)
$37$ \( 1 + 6 T + 37 T^{2} \)
$41$ \( 1 + 41 T^{2} \)
$43$ \( 1 + 12 T + 43 T^{2} \)
$47$ \( 1 + 47 T^{2} \)
$53$ \( 1 + 10 T + 53 T^{2} \)
$59$ \( 1 + 59 T^{2} \)
$61$ \( 1 + 61 T^{2} \)
$67$ \( 1 - 4 T + 67 T^{2} \)
$71$ \( 1 - 16 T + 71 T^{2} \)
$73$ \( 1 + 73 T^{2} \)
$79$ \( 1 - 8 T + 79 T^{2} \)
$83$ \( 1 + 83 T^{2} \)
$89$ \( 1 + 89 T^{2} \)
$97$ \( 1 + 97 T^{2} \)
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