Properties

Label 950.3.c.a
Level $950$
Weight $3$
Character orbit 950.c
Analytic conductor $25.886$
Analytic rank $0$
Dimension $2$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [950,3,Mod(151,950)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(950, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 1]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("950.151");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 950 = 2 \cdot 5^{2} \cdot 19 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 950.c (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: \(25.8856251142\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{-2}) \)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} + 2 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 38)
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 \(\beta = \sqrt{-2}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta q^{2} + 2 \beta q^{3} - 2 q^{4} - 4 q^{6} - 5 q^{7} - 2 \beta q^{8} + q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + \beta q^{2} + 2 \beta q^{3} - 2 q^{4} - 4 q^{6} - 5 q^{7} - 2 \beta q^{8} + q^{9} + 5 q^{11} - 4 \beta q^{12} - 12 \beta q^{13} - 5 \beta q^{14} + 4 q^{16} + 25 q^{17} + \beta q^{18} + 19 q^{19} - 10 \beta q^{21} + 5 \beta q^{22} + 10 q^{23} + 8 q^{24} + 24 q^{26} + 20 \beta q^{27} + 10 q^{28} - 30 \beta q^{29} + 30 \beta q^{31} + 4 \beta q^{32} + 10 \beta q^{33} + 25 \beta q^{34} - 2 q^{36} - 18 \beta q^{37} + 19 \beta q^{38} + 48 q^{39} + 30 \beta q^{41} + 20 q^{42} - 5 q^{43} - 10 q^{44} + 10 \beta q^{46} - 5 q^{47} + 8 \beta q^{48} - 24 q^{49} + 50 \beta q^{51} + 24 \beta q^{52} - 18 \beta q^{53} - 40 q^{54} + 10 \beta q^{56} + 38 \beta q^{57} + 60 q^{58} - 60 \beta q^{59} + 95 q^{61} - 60 q^{62} - 5 q^{63} - 8 q^{64} - 20 q^{66} + 78 \beta q^{67} - 50 q^{68} + 20 \beta q^{69} - 2 \beta q^{72} + 25 q^{73} + 36 q^{74} - 38 q^{76} - 25 q^{77} + 48 \beta q^{78} - 30 \beta q^{79} - 71 q^{81} - 60 q^{82} + 130 q^{83} + 20 \beta q^{84} - 5 \beta q^{86} + 120 q^{87} - 10 \beta q^{88} + 90 \beta q^{89} + 60 \beta q^{91} - 20 q^{92} - 120 q^{93} - 5 \beta q^{94} - 16 q^{96} + 12 \beta q^{97} - 24 \beta q^{98} + 5 q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - 4 q^{4} - 8 q^{6} - 10 q^{7} + 2 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q - 4 q^{4} - 8 q^{6} - 10 q^{7} + 2 q^{9} + 10 q^{11} + 8 q^{16} + 50 q^{17} + 38 q^{19} + 20 q^{23} + 16 q^{24} + 48 q^{26} + 20 q^{28} - 4 q^{36} + 96 q^{39} + 40 q^{42} - 10 q^{43} - 20 q^{44} - 10 q^{47} - 48 q^{49} - 80 q^{54} + 120 q^{58} + 190 q^{61} - 120 q^{62} - 10 q^{63} - 16 q^{64} - 40 q^{66} - 100 q^{68} + 50 q^{73} + 72 q^{74} - 76 q^{76} - 50 q^{77} - 142 q^{81} - 120 q^{82} + 260 q^{83} + 240 q^{87} - 40 q^{92} - 240 q^{93} - 32 q^{96} + 10 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/950\mathbb{Z}\right)^\times\).

\(n\) \(77\) \(401\)
\(\chi(n)\) \(1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
151.1
1.41421i
1.41421i
1.41421i 2.82843i −2.00000 0 −4.00000 −5.00000 2.82843i 1.00000 0
151.2 1.41421i 2.82843i −2.00000 0 −4.00000 −5.00000 2.82843i 1.00000 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
19.b odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 950.3.c.a 2
5.b even 2 1 38.3.b.a 2
5.c odd 4 2 950.3.d.a 4
15.d odd 2 1 342.3.d.a 2
19.b odd 2 1 inner 950.3.c.a 2
20.d odd 2 1 304.3.e.c 2
40.e odd 2 1 1216.3.e.i 2
40.f even 2 1 1216.3.e.j 2
60.h even 2 1 2736.3.o.h 2
95.d odd 2 1 38.3.b.a 2
95.g even 4 2 950.3.d.a 4
285.b even 2 1 342.3.d.a 2
380.d even 2 1 304.3.e.c 2
760.b odd 2 1 1216.3.e.j 2
760.p even 2 1 1216.3.e.i 2
1140.p odd 2 1 2736.3.o.h 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
38.3.b.a 2 5.b even 2 1
38.3.b.a 2 95.d odd 2 1
304.3.e.c 2 20.d odd 2 1
304.3.e.c 2 380.d even 2 1
342.3.d.a 2 15.d odd 2 1
342.3.d.a 2 285.b even 2 1
950.3.c.a 2 1.a even 1 1 trivial
950.3.c.a 2 19.b odd 2 1 inner
950.3.d.a 4 5.c odd 4 2
950.3.d.a 4 95.g even 4 2
1216.3.e.i 2 40.e odd 2 1
1216.3.e.i 2 760.p even 2 1
1216.3.e.j 2 40.f even 2 1
1216.3.e.j 2 760.b odd 2 1
2736.3.o.h 2 60.h even 2 1
2736.3.o.h 2 1140.p odd 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{3}^{\mathrm{new}}(950, [\chi])\):

\( T_{3}^{2} + 8 \) Copy content Toggle raw display
\( T_{7} + 5 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} + 2 \) Copy content Toggle raw display
$3$ \( T^{2} + 8 \) Copy content Toggle raw display
$5$ \( T^{2} \) Copy content Toggle raw display
$7$ \( (T + 5)^{2} \) Copy content Toggle raw display
$11$ \( (T - 5)^{2} \) Copy content Toggle raw display
$13$ \( T^{2} + 288 \) Copy content Toggle raw display
$17$ \( (T - 25)^{2} \) Copy content Toggle raw display
$19$ \( (T - 19)^{2} \) Copy content Toggle raw display
$23$ \( (T - 10)^{2} \) Copy content Toggle raw display
$29$ \( T^{2} + 1800 \) Copy content Toggle raw display
$31$ \( T^{2} + 1800 \) Copy content Toggle raw display
$37$ \( T^{2} + 648 \) Copy content Toggle raw display
$41$ \( T^{2} + 1800 \) Copy content Toggle raw display
$43$ \( (T + 5)^{2} \) Copy content Toggle raw display
$47$ \( (T + 5)^{2} \) Copy content Toggle raw display
$53$ \( T^{2} + 648 \) Copy content Toggle raw display
$59$ \( T^{2} + 7200 \) Copy content Toggle raw display
$61$ \( (T - 95)^{2} \) Copy content Toggle raw display
$67$ \( T^{2} + 12168 \) Copy content Toggle raw display
$71$ \( T^{2} \) Copy content Toggle raw display
$73$ \( (T - 25)^{2} \) Copy content Toggle raw display
$79$ \( T^{2} + 1800 \) Copy content Toggle raw display
$83$ \( (T - 130)^{2} \) Copy content Toggle raw display
$89$ \( T^{2} + 16200 \) Copy content Toggle raw display
$97$ \( T^{2} + 288 \) Copy content Toggle raw display
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