Properties

Label 1175.1.b.c
Level $1175$
Weight $1$
Character orbit 1175.b
Analytic conductor $0.586$
Analytic rank $0$
Dimension $8$
Projective image $D_{15}$
CM discriminant -47
Inner twists $4$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1175,1,Mod(1174,1175)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1175, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 1]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1175.1174");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1175 = 5^{2} \cdot 47 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 1175.b (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: \(0.586401389844\)
Analytic rank: \(0\)
Dimension: \(8\)
Coefficient field: 8.0.324000000.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} + 9x^{6} + 26x^{4} + 24x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{15}\)
Projective field: Galois closure of 15.1.4947491410771484375.1

$q$-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.

\(f(q)\) \(=\) \( q + (\beta_{5} + \beta_{3} + \beta_1) q^{2} + (\beta_{7} + \beta_{3}) q^{3} + (\beta_{6} - \beta_{2} - 2) q^{4} + ( - \beta_{6} - \beta_{2}) q^{6} - \beta_1 q^{7} + ( - \beta_{5} - 2 \beta_{3} - \beta_1) q^{8} + ( - \beta_{4} - 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + (\beta_{5} + \beta_{3} + \beta_1) q^{2} + (\beta_{7} + \beta_{3}) q^{3} + (\beta_{6} - \beta_{2} - 2) q^{4} + ( - \beta_{6} - \beta_{2}) q^{6} - \beta_1 q^{7} + ( - \beta_{5} - 2 \beta_{3} - \beta_1) q^{8} + ( - \beta_{4} - 1) q^{9} + ( - \beta_{7} - 2 \beta_{5} - 2 \beta_{3}) q^{12} + ( - \beta_{6} + 2) q^{14} + ( - \beta_{4} + \beta_{2} + 2) q^{16} + \beta_{7} q^{17} + ( - \beta_{7} - 3 \beta_{5} + \cdots - \beta_1) q^{18}+ \cdots + (\beta_{7} + \beta_{3} - \beta_1) q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q - 10 q^{4} - 2 q^{6} - 10 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 8 q - 10 q^{4} - 2 q^{6} - 10 q^{9} + 12 q^{14} + 12 q^{16} - 2 q^{21} + 8 q^{24} + 2 q^{34} + 10 q^{36} - 10 q^{49} - 12 q^{51} + 8 q^{54} - 8 q^{56} - 2 q^{59} - 4 q^{61} - 8 q^{64} + 2 q^{71} - 4 q^{74} + 4 q^{79} + 12 q^{81} + 10 q^{84} + 4 q^{89} - 2 q^{94} - 10 q^{96}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{8} + 9x^{6} + 26x^{4} + 24x^{2} + 1 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} + 2 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( \nu^{3} + 3\nu \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( \nu^{4} + 4\nu^{2} + 2 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( \nu^{5} + 5\nu^{3} + 5\nu \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( \nu^{6} + 6\nu^{4} + 9\nu^{2} + 2 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( \nu^{7} + 7\nu^{5} + 14\nu^{3} + 7\nu \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} - 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{3} - 3\beta_1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( \beta_{4} - 4\beta_{2} + 6 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( \beta_{5} - 5\beta_{3} + 10\beta_1 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( \beta_{6} - 6\beta_{4} + 15\beta_{2} - 20 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( \beta_{7} - 7\beta_{5} + 21\beta_{3} - 35\beta_1 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1175\mathbb{Z}\right)^\times\).

\(n\) \(377\) \(851\)
\(\chi(n)\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1174.1
1.33826i
0.209057i
1.95630i
1.82709i
1.82709i
1.95630i
0.209057i
1.33826i
1.95630i 0.209057i −2.82709 0 0.408977 1.33826i 3.57433i 0.956295 0
1174.2 1.82709i 1.95630i −2.33826 0 −3.57433 0.209057i 2.44512i −2.82709 0
1174.3 1.33826i 1.82709i −0.790943 0 2.44512 1.95630i 0.279773i −2.33826 0
1174.4 0.209057i 1.33826i 0.956295 0 −0.279773 1.82709i 0.408977i −0.790943 0
1174.5 0.209057i 1.33826i 0.956295 0 −0.279773 1.82709i 0.408977i −0.790943 0
1174.6 1.33826i 1.82709i −0.790943 0 2.44512 1.95630i 0.279773i −2.33826 0
1174.7 1.82709i 1.95630i −2.33826 0 −3.57433 0.209057i 2.44512i −2.82709 0
1174.8 1.95630i 0.209057i −2.82709 0 0.408977 1.33826i 3.57433i 0.956295 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1174.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
47.b odd 2 1 CM by \(\Q(\sqrt{-47}) \)
5.b even 2 1 inner
235.b odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1175.1.b.c 8
5.b even 2 1 inner 1175.1.b.c 8
5.c odd 4 1 1175.1.d.d 4
5.c odd 4 1 1175.1.d.e yes 4
47.b odd 2 1 CM 1175.1.b.c 8
235.b odd 2 1 inner 1175.1.b.c 8
235.e even 4 1 1175.1.d.d 4
235.e even 4 1 1175.1.d.e yes 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1175.1.b.c 8 1.a even 1 1 trivial
1175.1.b.c 8 5.b even 2 1 inner
1175.1.b.c 8 47.b odd 2 1 CM
1175.1.b.c 8 235.b odd 2 1 inner
1175.1.d.d 4 5.c odd 4 1
1175.1.d.d 4 235.e even 4 1
1175.1.d.e yes 4 5.c odd 4 1
1175.1.d.e yes 4 235.e even 4 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{8} + 9T_{2}^{6} + 26T_{2}^{4} + 24T_{2}^{2} + 1 \) acting on \(S_{1}^{\mathrm{new}}(1175, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} + 9 T^{6} + \cdots + 1 \) Copy content Toggle raw display
$3$ \( T^{8} + 9 T^{6} + \cdots + 1 \) Copy content Toggle raw display
$5$ \( T^{8} \) Copy content Toggle raw display
$7$ \( T^{8} + 9 T^{6} + \cdots + 1 \) Copy content Toggle raw display
$11$ \( T^{8} \) Copy content Toggle raw display
$13$ \( T^{8} \) Copy content Toggle raw display
$17$ \( T^{8} + 9 T^{6} + \cdots + 1 \) Copy content Toggle raw display
$19$ \( T^{8} \) Copy content Toggle raw display
$23$ \( T^{8} \) Copy content Toggle raw display
$29$ \( T^{8} \) Copy content Toggle raw display
$31$ \( T^{8} \) Copy content Toggle raw display
$37$ \( (T^{4} + 3 T^{2} + 1)^{2} \) Copy content Toggle raw display
$41$ \( T^{8} \) Copy content Toggle raw display
$43$ \( T^{8} \) Copy content Toggle raw display
$47$ \( (T^{2} + 1)^{4} \) Copy content Toggle raw display
$53$ \( (T^{4} + 3 T^{2} + 1)^{2} \) Copy content Toggle raw display
$59$ \( (T^{4} + T^{3} - 4 T^{2} + \cdots + 1)^{2} \) Copy content Toggle raw display
$61$ \( (T^{2} + T - 1)^{4} \) Copy content Toggle raw display
$67$ \( T^{8} \) Copy content Toggle raw display
$71$ \( (T^{4} - T^{3} - 4 T^{2} + \cdots + 1)^{2} \) Copy content Toggle raw display
$73$ \( T^{8} \) Copy content Toggle raw display
$79$ \( (T^{2} - T - 1)^{4} \) Copy content Toggle raw display
$83$ \( (T^{2} + 1)^{4} \) Copy content Toggle raw display
$89$ \( (T^{2} - T - 1)^{4} \) Copy content Toggle raw display
$97$ \( (T^{4} + 3 T^{2} + 1)^{2} \) Copy content Toggle raw display
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