Properties

Label 3312.2.i.c
Level $3312$
Weight $2$
Character orbit 3312.i
Analytic conductor $26.446$
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] = [3312,2,Mod(2575,3312)]
 
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([1, 0, 0, 1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("3312.2575");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3312 = 2^{4} \cdot 3^{2} \cdot 23 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 3312.i (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: \(26.4464531494\)
Analytic rank: \(0\)
Dimension: \(8\)
Coefficient field: 8.0.40282095616.8
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} - 4x^{6} + 8x^{4} - 36x^{2} + 81 \) 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 1104)
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.

\(f(q)\) \(=\) \( q + \beta_{3} q^{5} - \beta_{4} q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{3} q^{5} - \beta_{4} q^{7} + 2 \beta_1 q^{11} + (\beta_{5} - 2) q^{13} + (\beta_{6} + 2 \beta_{3}) q^{17} - \beta_1 q^{19} + (\beta_{7} - \beta_{4} + \beta_{2} - \beta_1) q^{23} + (\beta_{5} + 1) q^{25} + ( - 2 \beta_{5} + 2) q^{29} - 2 \beta_{7} q^{31} + ( - \beta_{7} - 2 \beta_{2}) q^{35} + ( - 2 \beta_{6} + 2 \beta_{3}) q^{37} + 2 q^{41} + ( - \beta_{4} + 2 \beta_1) q^{43} + ( - \beta_{7} - 4 \beta_{2}) q^{47} + (\beta_{5} + 1) q^{49} + 3 \beta_{6} q^{53} + ( - 2 \beta_{7} - 8 \beta_{2}) q^{55} + ( - \beta_{7} + 4 \beta_{2}) q^{59} + ( - 2 \beta_{6} - 6 \beta_{3}) q^{61} + (\beta_{6} - 5 \beta_{3}) q^{65} + \beta_1 q^{67} + ( - 2 \beta_{7} - 6 \beta_{2}) q^{71} - 4 q^{73} + ( - 2 \beta_{5} + 4) q^{77} + ( - 2 \beta_{4} - 7 \beta_1) q^{79} + ( - 2 \beta_{4} - 4 \beta_1) q^{83} + (\beta_{5} - 6) q^{85} + ( - 2 \beta_{6} + 3 \beta_{3}) q^{89} + ( - \beta_{4} - 5 \beta_1) q^{91} + (\beta_{7} + 4 \beta_{2}) q^{95} + (4 \beta_{6} - 2 \beta_{3}) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q+O(q^{10}) \) Copy content Toggle raw display \( 8 q - 16 q^{13} + 8 q^{25} + 16 q^{29} + 16 q^{41} + 8 q^{49} - 32 q^{73} + 32 q^{77} - 48 q^{85}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{8} - 4x^{6} + 8x^{4} - 36x^{2} + 81 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( -2\nu^{7} - \nu^{5} + 47\nu^{3} - 54\nu ) / 135 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -2\nu^{6} - \nu^{4} + 2\nu^{2} + 36 ) / 45 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{7} - 4\nu^{5} + 8\nu^{3} - 9\nu ) / 27 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -\nu^{7} + 4\nu^{5} - 8\nu^{3} + 63\nu ) / 27 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -\nu^{6} + 4\nu^{4} + \nu^{2} + 18 ) / 9 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 2\nu^{7} + \nu^{5} + 7\nu^{3} - 54\nu ) / 27 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( \nu^{6} - 2\nu^{4} + 9\nu^{2} - 28 ) / 5 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{4} + \beta_{3} ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{7} + \beta_{5} + 2\beta_{2} + 2 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( \beta_{6} + 2\beta_{4} + 2\beta_{3} + 5\beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 2\beta_{5} - 5\beta_{2} \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 7\beta_{6} + 6\beta_{4} - 6\beta_{3} + 5\beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( \beta_{7} - \beta_{5} - 38\beta_{2} + 38 ) / 2 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 20\beta_{6} + 17\beta_{4} + 23\beta_{3} - 20\beta_1 ) / 2 \) 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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
2575.1
1.03179 1.39119i
−1.03179 1.39119i
1.71331 0.254137i
−1.71331 0.254137i
1.71331 + 0.254137i
−1.71331 + 0.254137i
1.03179 + 1.39119i
−1.03179 + 1.39119i
0 0 0 2.78238i 0 −2.06358 0 0 0
2575.2 0 0 0 2.78238i 0 2.06358 0 0 0
2575.3 0 0 0 0.508274i 0 −3.42661 0 0 0
2575.4 0 0 0 0.508274i 0 3.42661 0 0 0
2575.5 0 0 0 0.508274i 0 −3.42661 0 0 0
2575.6 0 0 0 0.508274i 0 3.42661 0 0 0
2575.7 0 0 0 2.78238i 0 −2.06358 0 0 0
2575.8 0 0 0 2.78238i 0 2.06358 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 2575.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
4.b odd 2 1 inner
23.b odd 2 1 inner
92.b 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.i.c 8
3.b odd 2 1 1104.2.i.a 8
4.b odd 2 1 inner 3312.2.i.c 8
12.b even 2 1 1104.2.i.a 8
23.b odd 2 1 inner 3312.2.i.c 8
24.f even 2 1 4416.2.i.a 8
24.h odd 2 1 4416.2.i.a 8
69.c even 2 1 1104.2.i.a 8
92.b even 2 1 inner 3312.2.i.c 8
276.h odd 2 1 1104.2.i.a 8
552.b even 2 1 4416.2.i.a 8
552.h odd 2 1 4416.2.i.a 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1104.2.i.a 8 3.b odd 2 1
1104.2.i.a 8 12.b even 2 1
1104.2.i.a 8 69.c even 2 1
1104.2.i.a 8 276.h odd 2 1
3312.2.i.c 8 1.a even 1 1 trivial
3312.2.i.c 8 4.b odd 2 1 inner
3312.2.i.c 8 23.b odd 2 1 inner
3312.2.i.c 8 92.b even 2 1 inner
4416.2.i.a 8 24.f even 2 1
4416.2.i.a 8 24.h odd 2 1
4416.2.i.a 8 552.b even 2 1
4416.2.i.a 8 552.h odd 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(3312, [\chi])\):

\( T_{5}^{4} + 8T_{5}^{2} + 2 \) Copy content Toggle raw display
\( T_{7}^{4} - 16T_{7}^{2} + 50 \) Copy content Toggle raw display
\( T_{11}^{4} - 32T_{11}^{2} + 32 \) 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
$5$ \( (T^{4} + 8 T^{2} + 2)^{2} \) Copy content Toggle raw display
$7$ \( (T^{4} - 16 T^{2} + 50)^{2} \) Copy content Toggle raw display
$11$ \( (T^{4} - 32 T^{2} + 32)^{2} \) Copy content Toggle raw display
$13$ \( (T^{2} + 4 T - 10)^{4} \) Copy content Toggle raw display
$17$ \( (T^{4} + 32 T^{2} + 242)^{2} \) Copy content Toggle raw display
$19$ \( (T^{4} - 8 T^{2} + 2)^{2} \) Copy content Toggle raw display
$23$ \( T^{8} + 28 T^{6} + \cdots + 279841 \) Copy content Toggle raw display
$29$ \( (T^{2} - 4 T - 52)^{4} \) Copy content Toggle raw display
$31$ \( (T^{2} + 56)^{4} \) Copy content Toggle raw display
$37$ \( (T^{4} + 128 T^{2} + 3200)^{2} \) Copy content Toggle raw display
$41$ \( (T - 2)^{8} \) Copy content Toggle raw display
$43$ \( (T^{4} - 64 T^{2} + 338)^{2} \) Copy content Toggle raw display
$47$ \( (T^{4} + 60 T^{2} + 4)^{2} \) Copy content Toggle raw display
$53$ \( (T^{4} + 144 T^{2} + 4050)^{2} \) Copy content Toggle raw display
$59$ \( (T^{4} + 60 T^{2} + 4)^{2} \) Copy content Toggle raw display
$61$ \( (T^{4} + 256 T^{2} + 15488)^{2} \) Copy content Toggle raw display
$67$ \( (T^{4} - 8 T^{2} + 2)^{2} \) Copy content Toggle raw display
$71$ \( (T^{4} + 184 T^{2} + 400)^{2} \) Copy content Toggle raw display
$73$ \( (T + 4)^{8} \) Copy content Toggle raw display
$79$ \( (T^{4} - 344 T^{2} + 25538)^{2} \) Copy content Toggle raw display
$83$ \( (T^{4} - 128 T^{2} + 3872)^{2} \) Copy content Toggle raw display
$89$ \( (T^{4} + 184 T^{2} + 4418)^{2} \) Copy content Toggle raw display
$97$ \( (T^{4} + 352 T^{2} + 30752)^{2} \) Copy content Toggle raw display
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