Properties

Label 1225.4.a.l
Level $1225$
Weight $4$
Character orbit 1225.a
Self dual yes
Analytic conductor $72.277$
Analytic rank $1$
Dimension $1$
CM discriminant -7
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1225,4,Mod(1,1225)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1225, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0]))
 
N = Newforms(chi, 4, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1225.1");
 
S:= CuspForms(chi, 4);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1225 = 5^{2} \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 1225.a (trivial)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(72.2773397570\)
Analytic rank: \(1\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 49)
Fricke sign: \(-1\)
Sato-Tate group: $N(\mathrm{U}(1))$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 
\(f(q)\) \(=\) \( q + 5 q^{2} + 17 q^{4} + 45 q^{8} - 27 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + 5 q^{2} + 17 q^{4} + 45 q^{8} - 27 q^{9} - 68 q^{11} + 89 q^{16} - 135 q^{18} - 340 q^{22} + 40 q^{23} - 166 q^{29} + 85 q^{32} - 459 q^{36} - 450 q^{37} + 180 q^{43} - 1156 q^{44} + 200 q^{46} - 590 q^{53} - 830 q^{58} - 287 q^{64} + 740 q^{67} + 688 q^{71} - 1215 q^{72} - 2250 q^{74} - 1384 q^{79} + 729 q^{81} + 900 q^{86} - 3060 q^{88} + 680 q^{92} + 1836 q^{99}+O(q^{100}) \) Copy content Toggle raw display

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.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
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
5.00000 0 17.0000 0 0 0 45.0000 −27.0000 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(5\) \(1\)
\(7\) \(-1\)

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 1225.4.a.l 1
5.b even 2 1 49.4.a.a 1
7.b odd 2 1 CM 1225.4.a.l 1
15.d odd 2 1 441.4.a.m 1
20.d odd 2 1 784.4.a.k 1
35.c odd 2 1 49.4.a.a 1
35.i odd 6 2 49.4.c.d 2
35.j even 6 2 49.4.c.d 2
105.g even 2 1 441.4.a.m 1
105.o odd 6 2 441.4.e.a 2
105.p even 6 2 441.4.e.a 2
140.c even 2 1 784.4.a.k 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
49.4.a.a 1 5.b even 2 1
49.4.a.a 1 35.c odd 2 1
49.4.c.d 2 35.i odd 6 2
49.4.c.d 2 35.j even 6 2
441.4.a.m 1 15.d odd 2 1
441.4.a.m 1 105.g even 2 1
441.4.e.a 2 105.o odd 6 2
441.4.e.a 2 105.p even 6 2
784.4.a.k 1 20.d odd 2 1
784.4.a.k 1 140.c even 2 1
1225.4.a.l 1 1.a even 1 1 trivial
1225.4.a.l 1 7.b odd 2 1 CM

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{4}^{\mathrm{new}}(\Gamma_0(1225))\):

\( T_{2} - 5 \) Copy content Toggle raw display
\( T_{3} \) Copy content Toggle raw display
\( T_{19} \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T - 5 \) Copy content Toggle raw display
$3$ \( T \) Copy content Toggle raw display
$5$ \( T \) Copy content Toggle raw display
$7$ \( T \) Copy content Toggle raw display
$11$ \( T + 68 \) Copy content Toggle raw display
$13$ \( T \) Copy content Toggle raw display
$17$ \( T \) Copy content Toggle raw display
$19$ \( T \) Copy content Toggle raw display
$23$ \( T - 40 \) Copy content Toggle raw display
$29$ \( T + 166 \) Copy content Toggle raw display
$31$ \( T \) Copy content Toggle raw display
$37$ \( T + 450 \) Copy content Toggle raw display
$41$ \( T \) Copy content Toggle raw display
$43$ \( T - 180 \) Copy content Toggle raw display
$47$ \( T \) Copy content Toggle raw display
$53$ \( T + 590 \) Copy content Toggle raw display
$59$ \( T \) Copy content Toggle raw display
$61$ \( T \) Copy content Toggle raw display
$67$ \( T - 740 \) Copy content Toggle raw display
$71$ \( T - 688 \) Copy content Toggle raw display
$73$ \( T \) Copy content Toggle raw display
$79$ \( T + 1384 \) Copy content Toggle raw display
$83$ \( T \) Copy content Toggle raw display
$89$ \( T \) Copy content Toggle raw display
$97$ \( T \) Copy content Toggle raw display
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