Properties

Label 3312.2.m.c
Level $3312$
Weight $2$
Character orbit 3312.m
Analytic conductor $26.446$
Analytic rank $0$
Dimension $8$
CM no
Inner twists $4$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [3312,2,Mod(2897,3312)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3312, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 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("3312.2897");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3312 = 2^{4} \cdot 3^{2} \cdot 23 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 3312.m (of order \(2\), degree \(1\), not 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: \(26.4464531494\)
Analytic rank: \(0\)
Dimension: \(8\)
Coefficient field: \(\Q(\zeta_{16})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{23}]\)
Coefficient ring index: \( 2^{3} \)
Twist minimal: no (minimal twist has level 414)
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.

\(f(q)\) \(=\) \( q + \beta_{7} q^{5} + 2 \beta_{2} q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{7} q^{5} + 2 \beta_{2} q^{7} + ( - 2 \beta_{7} + \beta_{5}) q^{11} + (2 \beta_{6} + 2) q^{13} - 4 \beta_{5} q^{17} + (2 \beta_{4} + 3 \beta_{2}) q^{19} + ( - 3 \beta_{7} - \beta_{5} + \cdots + \beta_1) q^{23}+ \cdots + (4 \beta_{4} + 2 \beta_{2}) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q+O(q^{10}) \) Copy content Toggle raw display \( 8 q + 16 q^{13} - 24 q^{25} - 16 q^{31} - 8 q^{49} - 32 q^{55} - 32 q^{73}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring

\(\beta_{1}\)\(=\) \( \zeta_{16}^{4} \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \zeta_{16}^{5} + \zeta_{16}^{3} \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( \zeta_{16}^{6} + \zeta_{16}^{2} \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( \zeta_{16}^{7} + \zeta_{16} \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( -\zeta_{16}^{7} + \zeta_{16} \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( -\zeta_{16}^{6} + \zeta_{16}^{2} \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( -\zeta_{16}^{5} + \zeta_{16}^{3} \) Copy content Toggle raw display
\(\zeta_{16}\)\(=\) \( ( \beta_{5} + \beta_{4} ) / 2 \) Copy content Toggle raw display
\(\zeta_{16}^{2}\)\(=\) \( ( \beta_{6} + \beta_{3} ) / 2 \) Copy content Toggle raw display
\(\zeta_{16}^{3}\)\(=\) \( ( \beta_{7} + \beta_{2} ) / 2 \) Copy content Toggle raw display
\(\zeta_{16}^{4}\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\zeta_{16}^{5}\)\(=\) \( ( -\beta_{7} + \beta_{2} ) / 2 \) Copy content Toggle raw display
\(\zeta_{16}^{6}\)\(=\) \( ( -\beta_{6} + \beta_{3} ) / 2 \) Copy content Toggle raw display
\(\zeta_{16}^{7}\)\(=\) \( ( -\beta_{5} + \beta_{4} ) / 2 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/3312\mathbb{Z}\right)^\times\).

\(n\) \(415\) \(2305\) \(2485\) \(2945\)
\(\chi(n)\) \(1\) \(-1\) \(1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
2897.1
0.382683 + 0.923880i
0.382683 0.923880i
−0.923880 0.382683i
−0.923880 + 0.382683i
0.923880 0.382683i
0.923880 + 0.382683i
−0.382683 + 0.923880i
−0.382683 0.923880i
0 0 0 −1.84776 0 1.53073i 0 0 0
2897.2 0 0 0 −1.84776 0 1.53073i 0 0 0
2897.3 0 0 0 −0.765367 0 3.69552i 0 0 0
2897.4 0 0 0 −0.765367 0 3.69552i 0 0 0
2897.5 0 0 0 0.765367 0 3.69552i 0 0 0
2897.6 0 0 0 0.765367 0 3.69552i 0 0 0
2897.7 0 0 0 1.84776 0 1.53073i 0 0 0
2897.8 0 0 0 1.84776 0 1.53073i 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 2897.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
23.b odd 2 1 inner
69.c even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3312.2.m.c 8
3.b odd 2 1 inner 3312.2.m.c 8
4.b odd 2 1 414.2.d.a 8
12.b even 2 1 414.2.d.a 8
23.b odd 2 1 inner 3312.2.m.c 8
69.c even 2 1 inner 3312.2.m.c 8
92.b even 2 1 414.2.d.a 8
276.h odd 2 1 414.2.d.a 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
414.2.d.a 8 4.b odd 2 1
414.2.d.a 8 12.b even 2 1
414.2.d.a 8 92.b even 2 1
414.2.d.a 8 276.h odd 2 1
3312.2.m.c 8 1.a even 1 1 trivial
3312.2.m.c 8 3.b odd 2 1 inner
3312.2.m.c 8 23.b odd 2 1 inner
3312.2.m.c 8 69.c even 2 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{4} - 4T_{5}^{2} + 2 \) acting on \(S_{2}^{\mathrm{new}}(3312, [\chi])\). 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
$7$ \( (T^{4} + 16 T^{2} + 32)^{2} \) Copy content Toggle raw display
$11$ \( (T^{4} - 20 T^{2} + 2)^{2} \) Copy content Toggle raw display
$13$ \( (T^{2} - 4 T - 4)^{4} \) Copy content Toggle raw display
$17$ \( (T^{4} - 64 T^{2} + 512)^{2} \) Copy content Toggle raw display
$19$ \( (T^{4} + 52 T^{2} + 98)^{2} \) Copy content Toggle raw display
$23$ \( T^{8} - 68 T^{6} + \cdots + 279841 \) Copy content Toggle raw display
$29$ \( (T^{2} + 4)^{4} \) Copy content Toggle raw display
$31$ \( (T^{2} + 4 T - 14)^{4} \) Copy content Toggle raw display
$37$ \( (T^{4} + 68 T^{2} + 1058)^{2} \) Copy content Toggle raw display
$41$ \( (T^{2} + 32)^{4} \) Copy content Toggle raw display
$43$ \( (T^{4} + 100 T^{2} + 1250)^{2} \) Copy content Toggle raw display
$47$ \( (T^{4} + 12 T^{2} + 4)^{2} \) Copy content Toggle raw display
$53$ \( (T^{4} - 100 T^{2} + 578)^{2} \) Copy content Toggle raw display
$59$ \( (T^{4} + 144 T^{2} + 3136)^{2} \) Copy content Toggle raw display
$61$ \( (T^{4} + 100 T^{2} + 578)^{2} \) Copy content Toggle raw display
$67$ \( (T^{4} + 36 T^{2} + 162)^{2} \) Copy content Toggle raw display
$71$ \( (T^{4} + 204 T^{2} + 8836)^{2} \) Copy content Toggle raw display
$73$ \( (T^{2} + 8 T - 146)^{4} \) Copy content Toggle raw display
$79$ \( (T^{4} + 80 T^{2} + 1568)^{2} \) Copy content Toggle raw display
$83$ \( (T^{4} - 260 T^{2} + 4418)^{2} \) Copy content Toggle raw display
$89$ \( (T^{4} - 80 T^{2} + 32)^{2} \) Copy content Toggle raw display
$97$ \( (T^{4} + 80 T^{2} + 1568)^{2} \) Copy content Toggle raw display
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