Properties

Label 1300.2.r.e
Level $1300$
Weight $2$
Character orbit 1300.r
Analytic conductor $10.381$
Analytic rank $0$
Dimension $8$
CM no
Inner twists $4$

Related objects

Downloads

Learn more

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1300,2,Mod(957,1300)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1300, base_ring=CyclotomicField(4))
 
chi = DirichletCharacter(H, H._module([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("1300.957");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1300 = 2^{2} \cdot 5^{2} \cdot 13 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1300.r (of order \(4\), degree \(2\), 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: \(10.3805522628\)
Analytic rank: \(0\)
Dimension: \(8\)
Relative dimension: \(4\) over \(\Q(i)\)
Coefficient field: 8.0.1485512441856.2
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} + 119x^{4} + 625 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{2} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{4}]$

$q$-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.

\(f(q)\) \(=\) \( q + \beta_1 q^{3} + (\beta_{7} - \beta_{3} - \beta_1) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_1 q^{3} + (\beta_{7} - \beta_{3} - \beta_1) q^{7} + (\beta_{2} + 1) q^{11} - \beta_{4} q^{13} + ( - \beta_{4} - \beta_{3} - \beta_1) q^{17} + (\beta_{6} - \beta_{2} - 1) q^{21} + ( - 3 \beta_{7} - \beta_{4} + \cdots + \beta_1) q^{23}+ \cdots + (2 \beta_{7} - \beta_{4} + 3 \beta_1) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q+O(q^{10}) \) Copy content Toggle raw display \( 8 q + 8 q^{11} - 12 q^{21} + 12 q^{31} - 12 q^{39} - 4 q^{41} + 48 q^{49} - 12 q^{59} - 32 q^{61} + 48 q^{69} + 4 q^{71} + 72 q^{81} - 68 q^{89} + 12 q^{91}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{8} + 119x^{4} + 625 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{5} + 79\nu ) / 65 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{6} + 144\nu^{2} ) / 325 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -\nu^{7} - 144\nu^{3} + 325\nu ) / 325 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( \nu^{7} + 5\nu^{5} + 144\nu^{3} + 720\nu ) / 325 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -7\nu^{6} + 25\nu^{4} - 683\nu^{2} + 1650 ) / 325 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( -7\nu^{6} - 25\nu^{4} - 683\nu^{2} - 1650 ) / 325 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 8\nu^{7} + 827\nu^{3} ) / 1625 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{4} + \beta_{3} - \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{6} + \beta_{5} + 14\beta_{2} ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( -5\beta_{7} + 4\beta_{4} - 4\beta_{3} - 4\beta_1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( -13\beta_{6} + 13\beta_{5} - 132 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( -79\beta_{4} - 79\beta_{3} + 209\beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( -72\beta_{6} - 72\beta_{5} - 683\beta_{2} \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 1440\beta_{7} - 827\beta_{4} + 827\beta_{3} + 827\beta_1 ) / 2 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1300\mathbb{Z}\right)^\times\).

\(n\) \(301\) \(651\) \(677\)
\(\chi(n)\) \(-\beta_{2}\) \(1\) \(-\beta_{2}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
957.1
2.30795 2.30795i
−1.08321 + 1.08321i
1.08321 1.08321i
−2.30795 + 2.30795i
2.30795 + 2.30795i
−1.08321 1.08321i
1.08321 + 1.08321i
−2.30795 2.30795i
0 −1.22474 + 1.22474i 0 0 0 −2.16642 0 0 0
957.2 0 −1.22474 + 1.22474i 0 0 0 4.61591 0 0 0
957.3 0 1.22474 1.22474i 0 0 0 −4.61591 0 0 0
957.4 0 1.22474 1.22474i 0 0 0 2.16642 0 0 0
993.1 0 −1.22474 1.22474i 0 0 0 −2.16642 0 0 0
993.2 0 −1.22474 1.22474i 0 0 0 4.61591 0 0 0
993.3 0 1.22474 + 1.22474i 0 0 0 −4.61591 0 0 0
993.4 0 1.22474 + 1.22474i 0 0 0 2.16642 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 957.4
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
5.b even 2 1 inner
65.f even 4 1 inner
65.k even 4 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1300.2.r.e yes 8
5.b even 2 1 inner 1300.2.r.e yes 8
5.c odd 4 2 1300.2.m.e 8
13.d odd 4 1 1300.2.m.e 8
65.f even 4 1 inner 1300.2.r.e yes 8
65.g odd 4 1 1300.2.m.e 8
65.k even 4 1 inner 1300.2.r.e yes 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1300.2.m.e 8 5.c odd 4 2
1300.2.m.e 8 13.d odd 4 1
1300.2.m.e 8 65.g odd 4 1
1300.2.r.e yes 8 1.a even 1 1 trivial
1300.2.r.e yes 8 5.b even 2 1 inner
1300.2.r.e yes 8 65.f even 4 1 inner
1300.2.r.e yes 8 65.k even 4 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{4} + 9 \) acting on \(S_{2}^{\mathrm{new}}(1300, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} \) Copy content Toggle raw display
$3$ \( (T^{4} + 9)^{2} \) Copy content Toggle raw display
$5$ \( T^{8} \) Copy content Toggle raw display
$7$ \( (T^{4} - 26 T^{2} + 100)^{2} \) Copy content Toggle raw display
$11$ \( (T^{2} - 2 T + 2)^{4} \) Copy content Toggle raw display
$13$ \( (T^{4} + 20 T^{2} + 169)^{2} \) Copy content Toggle raw display
$17$ \( T^{8} + 1904 T^{4} + 160000 \) Copy content Toggle raw display
$19$ \( T^{8} \) Copy content Toggle raw display
$23$ \( T^{8} + 4658 T^{4} + 14641 \) Copy content Toggle raw display
$29$ \( (T^{2} + 9)^{4} \) Copy content Toggle raw display
$31$ \( (T^{4} - 6 T^{3} + \cdots + 900)^{2} \) Copy content Toggle raw display
$37$ \( (T^{4} - 98 T^{2} + 676)^{2} \) Copy content Toggle raw display
$41$ \( (T^{4} + 2 T^{3} + \cdots + 1156)^{2} \) Copy content Toggle raw display
$43$ \( (T^{4} + 9)^{2} \) Copy content Toggle raw display
$47$ \( (T^{4} - 104 T^{2} + 1600)^{2} \) Copy content Toggle raw display
$53$ \( T^{8} + 4658 T^{4} + 14641 \) Copy content Toggle raw display
$59$ \( (T^{4} + 6 T^{3} + \cdots + 900)^{2} \) Copy content Toggle raw display
$61$ \( (T^{2} + 8 T - 53)^{4} \) Copy content Toggle raw display
$67$ \( (T^{2} + 54)^{4} \) Copy content Toggle raw display
$71$ \( (T^{4} - 2 T^{3} + \cdots + 1156)^{2} \) Copy content Toggle raw display
$73$ \( (T^{4} + 234 T^{2} + 8100)^{2} \) Copy content Toggle raw display
$79$ \( (T^{4} + 170 T^{2} + 2809)^{2} \) Copy content Toggle raw display
$83$ \( (T^{4} - 50 T^{2} + 4)^{2} \) Copy content Toggle raw display
$89$ \( (T^{4} + 34 T^{3} + \cdots + 12100)^{2} \) Copy content Toggle raw display
$97$ \( (T^{4} + 98 T^{2} + 676)^{2} \) Copy content Toggle raw display
show more
show less