Properties

Label 2352.1.dj.a
Level $2352$
Weight $1$
Character orbit 2352.dj
Analytic conductor $1.174$
Analytic rank $0$
Dimension $12$
Projective image $D_{42}$
CM discriminant -3
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2352,1,Mod(47,2352)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2352, base_ring=CyclotomicField(42))
 
chi = DirichletCharacter(H, H._module([21, 0, 21, 5]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2352.47");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2352 = 2^{4} \cdot 3 \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 2352.dj (of order \(42\), degree \(12\), 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: \(1.17380090971\)
Analytic rank: \(0\)
Dimension: \(12\)
Coefficient field: \(\Q(\zeta_{21})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{12} - x^{11} + x^{9} - x^{8} + x^{6} - x^{4} + x^{3} - x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{42}\)
Projective field: Galois closure of \(\mathbb{Q}[x]/(x^{42} - \cdots)\)

$q$-expansion

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

The \(q\)-expansion and trace form are shown below.

\(f(q)\) \(=\) \( q - \zeta_{42}^{4} q^{3} + \zeta_{42}^{20} q^{7} + \zeta_{42}^{8} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q - \zeta_{42}^{4} q^{3} + \zeta_{42}^{20} q^{7} + \zeta_{42}^{8} q^{9} + (\zeta_{42}^{10} - \zeta_{42}^{2}) q^{13} + ( - \zeta_{42}^{15} - \zeta_{42}^{13}) q^{19} + \zeta_{42}^{3} q^{21} + \zeta_{42} q^{25} - \zeta_{42}^{12} q^{27} + (\zeta_{42}^{9} + \zeta_{42}^{5}) q^{31} + ( - \zeta_{42}^{18} + \zeta_{42}^{7}) q^{37} + ( - \zeta_{42}^{14} + \zeta_{42}^{6}) q^{39} + (\zeta_{42}^{16} + \zeta_{42}^{11}) q^{43} - \zeta_{42}^{19} q^{49} + (\zeta_{42}^{19} + \zeta_{42}^{17}) q^{57} + ( - \zeta_{42}^{14} - \zeta_{42}^{11}) q^{61} - \zeta_{42}^{7} q^{63} + ( - \zeta_{42}^{18} - \zeta_{42}^{17}) q^{67} + ( - \zeta_{42}^{17} - \zeta_{42}^{6}) q^{73} - \zeta_{42}^{5} q^{75} + ( - \zeta_{42}^{16} + \zeta_{42}^{12}) q^{79} + \zeta_{42}^{16} q^{81} + ( - \zeta_{42}^{9} + \zeta_{42}) q^{91} + ( - \zeta_{42}^{13} - \zeta_{42}^{9}) q^{93} + (\zeta_{42}^{15} + \zeta_{42}^{6}) q^{97} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 12 q - q^{3} + q^{7} + q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 12 q - q^{3} + q^{7} + q^{9} - q^{19} + 2 q^{21} - q^{25} + 2 q^{27} + q^{31} + 8 q^{37} + 4 q^{39} + q^{49} - 2 q^{57} + 7 q^{61} - 6 q^{63} + 3 q^{67} + 3 q^{73} + q^{75} - 3 q^{79} + q^{81} - 3 q^{91} - q^{93}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2352\mathbb{Z}\right)^\times\).

\(n\) \(785\) \(1471\) \(1765\) \(2257\)
\(\chi(n)\) \(-1\) \(-1\) \(1\) \(-\zeta_{42}^{8}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
47.1
0.955573 0.294755i
0.826239 0.563320i
−0.733052 + 0.680173i
−0.733052 0.680173i
0.365341 0.930874i
0.0747301 + 0.997204i
0.955573 + 0.294755i
0.0747301 0.997204i
0.826239 + 0.563320i
−0.988831 + 0.149042i
−0.988831 0.149042i
0.365341 + 0.930874i
0 −0.365341 + 0.930874i 0 0 0 0.955573 + 0.294755i 0 −0.733052 0.680173i 0
143.1 0 0.733052 + 0.680173i 0 0 0 0.826239 + 0.563320i 0 0.0747301 + 0.997204i 0
383.1 0 0.988831 + 0.149042i 0 0 0 −0.733052 0.680173i 0 0.955573 + 0.294755i 0
479.1 0 0.988831 0.149042i 0 0 0 −0.733052 + 0.680173i 0 0.955573 0.294755i 0
719.1 0 −0.0747301 0.997204i 0 0 0 0.365341 + 0.930874i 0 −0.988831 + 0.149042i 0
1055.1 0 −0.955573 + 0.294755i 0 0 0 0.0747301 0.997204i 0 0.826239 0.563320i 0
1151.1 0 −0.365341 0.930874i 0 0 0 0.955573 0.294755i 0 −0.733052 + 0.680173i 0
1487.1 0 −0.955573 0.294755i 0 0 0 0.0747301 + 0.997204i 0 0.826239 + 0.563320i 0
1727.1 0 0.733052 0.680173i 0 0 0 0.826239 0.563320i 0 0.0747301 0.997204i 0
1823.1 0 −0.826239 + 0.563320i 0 0 0 −0.988831 0.149042i 0 0.365341 0.930874i 0
2063.1 0 −0.826239 0.563320i 0 0 0 −0.988831 + 0.149042i 0 0.365341 + 0.930874i 0
2159.1 0 −0.0747301 + 0.997204i 0 0 0 0.365341 0.930874i 0 −0.988831 0.149042i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 47.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 CM by \(\Q(\sqrt{-3}) \)
196.p even 42 1 inner
588.bf odd 42 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2352.1.dj.a 12
3.b odd 2 1 CM 2352.1.dj.a 12
4.b odd 2 1 2352.1.dj.b yes 12
12.b even 2 1 2352.1.dj.b yes 12
49.h odd 42 1 2352.1.dj.b yes 12
147.o even 42 1 2352.1.dj.b yes 12
196.p even 42 1 inner 2352.1.dj.a 12
588.bf odd 42 1 inner 2352.1.dj.a 12
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2352.1.dj.a 12 1.a even 1 1 trivial
2352.1.dj.a 12 3.b odd 2 1 CM
2352.1.dj.a 12 196.p even 42 1 inner
2352.1.dj.a 12 588.bf odd 42 1 inner
2352.1.dj.b yes 12 4.b odd 2 1
2352.1.dj.b yes 12 12.b even 2 1
2352.1.dj.b yes 12 49.h odd 42 1
2352.1.dj.b yes 12 147.o even 42 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{19}^{12} + T_{19}^{11} + 7 T_{19}^{10} + 6 T_{19}^{9} + 34 T_{19}^{8} + 28 T_{19}^{7} + 78 T_{19}^{6} + \cdots + 1 \) acting on \(S_{1}^{\mathrm{new}}(2352, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{12} \) Copy content Toggle raw display
$3$ \( T^{12} + T^{11} + \cdots + 1 \) Copy content Toggle raw display
$5$ \( T^{12} \) Copy content Toggle raw display
$7$ \( T^{12} - T^{11} + \cdots + 1 \) Copy content Toggle raw display
$11$ \( T^{12} \) Copy content Toggle raw display
$13$ \( T^{12} - 3 T^{10} + \cdots + 1 \) Copy content Toggle raw display
$17$ \( T^{12} \) Copy content Toggle raw display
$19$ \( T^{12} + T^{11} + \cdots + 1 \) Copy content Toggle raw display
$23$ \( T^{12} \) Copy content Toggle raw display
$29$ \( T^{12} \) Copy content Toggle raw display
$31$ \( T^{12} - T^{11} + \cdots + 1 \) Copy content Toggle raw display
$37$ \( T^{12} - 8 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$41$ \( T^{12} \) Copy content Toggle raw display
$43$ \( T^{12} - 3 T^{10} + \cdots + 1 \) Copy content Toggle raw display
$47$ \( T^{12} \) Copy content Toggle raw display
$53$ \( T^{12} \) Copy content Toggle raw display
$59$ \( T^{12} \) Copy content Toggle raw display
$61$ \( T^{12} - 7 T^{11} + \cdots + 49 \) Copy content Toggle raw display
$67$ \( T^{12} - 3 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$71$ \( T^{12} \) Copy content Toggle raw display
$73$ \( T^{12} - 3 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$79$ \( T^{12} + 3 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$83$ \( T^{12} \) Copy content Toggle raw display
$89$ \( T^{12} \) Copy content Toggle raw display
$97$ \( (T^{6} + 7 T^{4} + 14 T^{2} + 7)^{2} \) Copy content Toggle raw display
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