Properties

Label 3724.2.g.e
Level $3724$
Weight $2$
Character orbit 3724.g
Analytic conductor $29.736$
Analytic rank $0$
Dimension $8$
CM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [3724,2,Mod(1861,3724)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3724, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 1, 1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("3724.1861");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3724 = 2^{2} \cdot 7^{2} \cdot 19 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 3724.g (of order \(2\), degree \(1\), minimal)

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: no
Analytic conductor: \(29.7362897127\)
Analytic rank: \(0\)
Dimension: \(8\)
Coefficient field: 8.0.3288334336.2
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} + 8x^{6} - 8x^{5} + 14x^{4} + 8x^{3} - 16x^{2} + 7 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{19}]\)
Coefficient ring index: \( 2\cdot 7^{2} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\ldots,\beta_{7}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{4} q^{5} - 3 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{4} q^{5} - 3 q^{9} - 2 q^{11} - \beta_1 q^{13} + (\beta_{6} - 2 \beta_{4}) q^{17} + (2 \beta_{6} - \beta_{5}) q^{19} + ( - 2 \beta_{2} + 2) q^{23} + (\beta_{2} + 3) q^{25} + ( - \beta_{7} - \beta_{3}) q^{29} + ( - \beta_{6} + 2 \beta_{5} + \beta_{4}) q^{31} + (\beta_{7} + \beta_{3}) q^{37} + (\beta_{6} - 2 \beta_{5} + \cdots + \beta_1) q^{41}+ \cdots + 6 q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q - 24 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 8 q - 24 q^{9} - 16 q^{11} + 16 q^{23} + 24 q^{25} + 32 q^{43} + 72 q^{81} - 32 q^{85} + 8 q^{95} + 48 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{8} + 8x^{6} - 8x^{5} + 14x^{4} + 8x^{3} - 16x^{2} + 7 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( 32\nu^{7} + 159\nu^{6} + 167\nu^{5} + 612\nu^{4} - 1556\nu^{3} - 596\nu^{2} + 2183\nu - 6237 ) / 1223 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -722\nu^{7} + 158\nu^{6} - 5526\nu^{5} + 6677\nu^{4} - 9838\nu^{3} - 7038\nu^{2} + 19922\nu + 1071 ) / 8561 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 121\nu^{7} + 563\nu^{6} + 899\nu^{5} + 3690\nu^{4} - 2979\nu^{3} + 11658\nu^{2} + 2407\nu - 5124 ) / 1223 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -859\nu^{7} + 1350\nu^{6} - 7120\nu^{5} + 18580\nu^{4} - 25649\nu^{3} + 19515\nu^{2} + 10920\nu - 12089 ) / 8561 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -1196\nu^{7} - 592\nu^{6} - 8229\nu^{5} + 5867\nu^{4} + 2509\nu^{3} - 23587\nu^{2} + 42392\nu + 3031 ) / 8561 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 1369\nu^{7} + 649\nu^{6} + 12304\nu^{5} - 5463\nu^{4} + 24393\nu^{3} + 10428\nu^{2} - 5404\nu - 98 ) / 8561 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 943\nu^{7} - 474\nu^{6} + 8017\nu^{5} - 11470\nu^{4} + 20953\nu^{3} - 4569\nu^{2} - 7177\nu + 5348 ) / 1223 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( 3\beta_{7} - 7\beta_{6} + 7\beta_{4} + \beta_{3} + 7\beta_{2} ) / 14 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( -\beta_{7} + \beta_{6} - 2\beta_{5} - 8\beta_{4} + 2\beta_{3} + 7\beta_{2} - 3\beta _1 - 14 ) / 7 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -13\beta_{7} + 19\beta_{6} + 18\beta_{5} - 47\beta_{4} + 5\beta_{3} - 49\beta_{2} + 6\beta _1 + 42 ) / 14 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( 20\beta_{7} - 36\beta_{6} + 16\beta_{5} + 106\beta_{4} - 12\beta_{3} - 49\beta_{2} + 10\beta _1 + 63 ) / 7 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 45\beta_{7} + 17\beta_{6} - 160\beta_{5} + 137\beta_{4} - 27\beta_{3} + 483\beta_{2} - 100\beta _1 - 630 ) / 14 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( -30\beta_{7} + 55\beta_{6} - 4\beta_{5} - 134\beta_{4} + 13\beta_{3} + 11\beta_{2} - \beta _1 - 8 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 213\beta_{7} - 1099\beta_{6} + 1302\beta_{5} + 1491\beta_{4} - 55\beta_{3} - 4011\beta_{2} + 924\beta _1 + 5684 ) / 14 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/3724\mathbb{Z}\right)^\times\).

\(n\) \(1863\) \(3041\) \(3137\)
\(\chi(n)\) \(1\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1861.1
−0.707107 + 2.79220i
−0.707107 0.179070i
0.707107 1.43164i
0.707107 + 0.349249i
0.707107 + 1.43164i
0.707107 0.349249i
−0.707107 2.79220i
−0.707107 + 0.179070i
0 0 0 1.84776i 0 0 0 −3.00000 0
1861.2 0 0 0 1.84776i 0 0 0 −3.00000 0
1861.3 0 0 0 0.765367i 0 0 0 −3.00000 0
1861.4 0 0 0 0.765367i 0 0 0 −3.00000 0
1861.5 0 0 0 0.765367i 0 0 0 −3.00000 0
1861.6 0 0 0 0.765367i 0 0 0 −3.00000 0
1861.7 0 0 0 1.84776i 0 0 0 −3.00000 0
1861.8 0 0 0 1.84776i 0 0 0 −3.00000 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1861.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
7.b odd 2 1 inner
19.b odd 2 1 inner
133.c even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3724.2.g.e 8
7.b odd 2 1 inner 3724.2.g.e 8
19.b odd 2 1 inner 3724.2.g.e 8
133.c even 2 1 inner 3724.2.g.e 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
3724.2.g.e 8 1.a even 1 1 trivial
3724.2.g.e 8 7.b odd 2 1 inner
3724.2.g.e 8 19.b odd 2 1 inner
3724.2.g.e 8 133.c even 2 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(3724, [\chi])\):

\( T_{3} \) Copy content Toggle raw display
\( T_{5}^{4} + 4T_{5}^{2} + 2 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} \) Copy content Toggle raw display
$3$ \( T^{8} \) Copy content Toggle raw display
$5$ \( (T^{4} + 4 T^{2} + 2)^{2} \) Copy content Toggle raw display
$7$ \( T^{8} \) Copy content Toggle raw display
$11$ \( (T + 2)^{8} \) Copy content Toggle raw display
$13$ \( (T^{4} - 56 T^{2} + 686)^{2} \) Copy content Toggle raw display
$17$ \( (T^{4} + 20 T^{2} + 2)^{2} \) Copy content Toggle raw display
$19$ \( T^{8} - 36 T^{6} + \cdots + 130321 \) Copy content Toggle raw display
$23$ \( (T^{2} - 4 T - 4)^{4} \) Copy content Toggle raw display
$29$ \( (T^{4} + 84 T^{2} + 1372)^{2} \) Copy content Toggle raw display
$31$ \( (T^{4} - 112 T^{2} + 2744)^{2} \) Copy content Toggle raw display
$37$ \( (T^{4} + 84 T^{2} + 1372)^{2} \) Copy content Toggle raw display
$41$ \( (T^{4} - 112 T^{2} + 686)^{2} \) Copy content Toggle raw display
$43$ \( (T^{2} - 8 T - 16)^{4} \) Copy content Toggle raw display
$47$ \( (T^{4} + 136 T^{2} + 4232)^{2} \) Copy content Toggle raw display
$53$ \( (T^{4} + 168 T^{2} + 5488)^{2} \) Copy content Toggle raw display
$59$ \( (T^{4} - 224 T^{2} + 2744)^{2} \) Copy content Toggle raw display
$61$ \( (T^{4} + 164 T^{2} + 1922)^{2} \) Copy content Toggle raw display
$67$ \( (T^{4} + 84 T^{2} + 1372)^{2} \) Copy content Toggle raw display
$71$ \( (T^{4} + 140 T^{2} + 1372)^{2} \) Copy content Toggle raw display
$73$ \( (T^{4} + 244 T^{2} + 10082)^{2} \) Copy content Toggle raw display
$79$ \( (T^{4} + 140 T^{2} + 1372)^{2} \) Copy content Toggle raw display
$83$ \( (T^{4} + 128 T^{2} + 2048)^{2} \) Copy content Toggle raw display
$89$ \( (T^{4} - 56 T^{2} + 686)^{2} \) Copy content Toggle raw display
$97$ \( (T^{4} - 224 T^{2} + 686)^{2} \) Copy content Toggle raw display
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