Properties

Label 348.3.e.a
Level $348$
Weight $3$
Character orbit 348.e
Analytic conductor $9.482$
Analytic rank $0$
Dimension $4$
CM no
Inner twists $4$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [348,3,Mod(173,348)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(348, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 1, 1]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("348.173");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 348 = 2^{2} \cdot 3 \cdot 29 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 348.e (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: \(9.48231319974\)
Analytic rank: \(0\)
Dimension: \(4\)
Coefficient field: \(\Q(i, \sqrt{29})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} + 15x^{2} + 49 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{2} \)
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 \(1,\beta_1,\beta_2,\beta_3\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - 3 \beta_1 q^{3} - \beta_{2} q^{5} - 5 q^{7} - 9 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - 3 \beta_1 q^{3} - \beta_{2} q^{5} - 5 q^{7} - 9 q^{9} - 2 \beta_{3} q^{11} + 20 q^{13} - 3 \beta_{3} q^{15} - 5 \beta_{3} q^{17} - 5 \beta_1 q^{19} + 15 \beta_1 q^{21} + 6 \beta_{2} q^{23} - 4 q^{25} + 27 \beta_1 q^{27} + (2 \beta_{3} - 5 \beta_{2}) q^{29} - 10 \beta_1 q^{31} + 6 \beta_{2} q^{33} + 5 \beta_{2} q^{35} + 23 \beta_1 q^{37} - 60 \beta_1 q^{39} - 7 \beta_{3} q^{41} - 27 \beta_1 q^{43} + 9 \beta_{2} q^{45} - 15 \beta_{3} q^{47} - 24 q^{49} + 15 \beta_{2} q^{51} - 14 \beta_{2} q^{53} + 58 \beta_1 q^{55} - 15 q^{57} + 5 \beta_{2} q^{59} - 70 \beta_1 q^{61} + 45 q^{63} - 20 \beta_{2} q^{65} - 10 q^{67} + 18 \beta_{3} q^{69} - 10 \beta_{2} q^{71} - 32 \beta_1 q^{73} + 12 \beta_1 q^{75} + 10 \beta_{3} q^{77} + 110 \beta_1 q^{79} + 81 q^{81} - 14 \beta_{2} q^{83} + 145 \beta_1 q^{85} + ( - 15 \beta_{3} - 6 \beta_{2}) q^{87} + 14 \beta_{3} q^{89} - 100 q^{91} - 30 q^{93} - 5 \beta_{3} q^{95} - 182 \beta_1 q^{97} + 18 \beta_{3} q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 20 q^{7} - 36 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 20 q^{7} - 36 q^{9} + 80 q^{13} - 16 q^{25} - 96 q^{49} - 60 q^{57} + 180 q^{63} - 40 q^{67} + 324 q^{81} - 400 q^{91} - 120 q^{93}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} + 15x^{2} + 49 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{3} + 8\nu ) / 7 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{3} + 22\nu ) / 7 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( 2\nu^{2} + 15 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{2} - \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{3} - 15 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( -4\beta_{2} + 11\beta_1 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/348\mathbb{Z}\right)^\times\).

\(n\) \(175\) \(205\) \(233\)
\(\chi(n)\) \(1\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
173.1
2.19258i
3.19258i
3.19258i
2.19258i
0 3.00000i 0 5.38516i 0 −5.00000 0 −9.00000 0
173.2 0 3.00000i 0 5.38516i 0 −5.00000 0 −9.00000 0
173.3 0 3.00000i 0 5.38516i 0 −5.00000 0 −9.00000 0
173.4 0 3.00000i 0 5.38516i 0 −5.00000 0 −9.00000 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
29.b even 2 1 inner
87.d odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 348.3.e.a 4
3.b odd 2 1 inner 348.3.e.a 4
29.b even 2 1 inner 348.3.e.a 4
87.d odd 2 1 inner 348.3.e.a 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
348.3.e.a 4 1.a even 1 1 trivial
348.3.e.a 4 3.b odd 2 1 inner
348.3.e.a 4 29.b even 2 1 inner
348.3.e.a 4 87.d odd 2 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{2} + 29 \) acting on \(S_{3}^{\mathrm{new}}(348, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} \) Copy content Toggle raw display
$3$ \( (T^{2} + 9)^{2} \) Copy content Toggle raw display
$5$ \( (T^{2} + 29)^{2} \) Copy content Toggle raw display
$7$ \( (T + 5)^{4} \) Copy content Toggle raw display
$11$ \( (T^{2} - 116)^{2} \) Copy content Toggle raw display
$13$ \( (T - 20)^{4} \) Copy content Toggle raw display
$17$ \( (T^{2} - 725)^{2} \) Copy content Toggle raw display
$19$ \( (T^{2} + 25)^{2} \) Copy content Toggle raw display
$23$ \( (T^{2} + 1044)^{2} \) Copy content Toggle raw display
$29$ \( T^{4} + 1218 T^{2} + 707281 \) Copy content Toggle raw display
$31$ \( (T^{2} + 100)^{2} \) Copy content Toggle raw display
$37$ \( (T^{2} + 529)^{2} \) Copy content Toggle raw display
$41$ \( (T^{2} - 1421)^{2} \) Copy content Toggle raw display
$43$ \( (T^{2} + 729)^{2} \) Copy content Toggle raw display
$47$ \( (T^{2} - 6525)^{2} \) Copy content Toggle raw display
$53$ \( (T^{2} + 5684)^{2} \) Copy content Toggle raw display
$59$ \( (T^{2} + 725)^{2} \) Copy content Toggle raw display
$61$ \( (T^{2} + 4900)^{2} \) Copy content Toggle raw display
$67$ \( (T + 10)^{4} \) Copy content Toggle raw display
$71$ \( (T^{2} + 2900)^{2} \) Copy content Toggle raw display
$73$ \( (T^{2} + 1024)^{2} \) Copy content Toggle raw display
$79$ \( (T^{2} + 12100)^{2} \) Copy content Toggle raw display
$83$ \( (T^{2} + 5684)^{2} \) Copy content Toggle raw display
$89$ \( (T^{2} - 5684)^{2} \) Copy content Toggle raw display
$97$ \( (T^{2} + 33124)^{2} \) Copy content Toggle raw display
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