Properties

Label 350.2.q.a
Level $350$
Weight $2$
Character orbit 350.q
Analytic conductor $2.795$
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] = [350,2,Mod(11,350)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(350, base_ring=CyclotomicField(30))
 
chi = DirichletCharacter(H, H._module([24, 20]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("350.11");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 350 = 2 \cdot 5^{2} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 350.q (of order \(15\), degree \(8\), 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: \(2.79476407074\)
Analytic rank: \(0\)
Dimension: \(8\)
Coefficient field: \(\Q(\zeta_{15})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} - x^{7} + x^{5} - x^{4} + x^{3} - x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{15}]$

$q$-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 primitive root of unity \(\zeta_{15}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \zeta_{15} q^{2} + ( - \zeta_{15}^{7} + \zeta_{15}^{6} + \cdots + 1) q^{3} + \cdots + ( - \zeta_{15}^{7} - 2 \zeta_{15}^{4} - \zeta_{15}) q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q - \zeta_{15} q^{2} + ( - \zeta_{15}^{7} + \zeta_{15}^{6} + \cdots + 1) q^{3} + \cdots + (5 \zeta_{15}^{7} - 5 \zeta_{15}^{3} + \cdots - 7) q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q - q^{2} - 3 q^{3} + q^{4} - 6 q^{6} - 4 q^{7} + 2 q^{8} - 4 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 8 q - q^{2} - 3 q^{3} + q^{4} - 6 q^{6} - 4 q^{7} + 2 q^{8} - 4 q^{9} + 5 q^{10} + 8 q^{11} + 2 q^{12} + 20 q^{13} - 4 q^{14} + 10 q^{15} + q^{16} + 14 q^{17} - 6 q^{18} - 6 q^{19} - 10 q^{20} + 15 q^{21} - 14 q^{22} + 7 q^{23} - 2 q^{24} - 20 q^{25} - 10 q^{26} + 18 q^{27} - 5 q^{28} + 22 q^{29} + 5 q^{30} + 6 q^{31} + 4 q^{32} + 6 q^{33} - 32 q^{34} + 8 q^{36} - q^{37} + 6 q^{38} - 5 q^{39} - 5 q^{40} - 16 q^{41} + 3 q^{42} - 7 q^{44} + 10 q^{45} + 13 q^{46} + 2 q^{47} - 4 q^{48} - 52 q^{49} + 10 q^{50} + 28 q^{51} - 10 q^{52} + 7 q^{53} - 11 q^{54} + 20 q^{55} - q^{56} + 24 q^{57} + 11 q^{58} - 15 q^{59} + 11 q^{61} - 18 q^{62} - 16 q^{63} - 2 q^{64} + 20 q^{65} - q^{66} - q^{67} + 4 q^{68} - 38 q^{69} - 25 q^{70} + 26 q^{71} - q^{72} + 4 q^{73} + 6 q^{74} - 15 q^{75} - 48 q^{76} - 40 q^{77} - 20 q^{79} - 5 q^{80} - 16 q^{81} + 42 q^{82} + 26 q^{83} + 8 q^{84} - 20 q^{85} - 5 q^{86} - 2 q^{87} - 8 q^{88} + q^{89} - 20 q^{90} - 10 q^{91} + 26 q^{92} + 12 q^{93} - 2 q^{94} - 30 q^{95} + 3 q^{96} + 8 q^{97} + 11 q^{98} - 36 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/350\mathbb{Z}\right)^\times\).

\(n\) \(101\) \(127\)
\(\chi(n)\) \(-1 - \zeta_{15}^{5}\) \(-\zeta_{15}^{2} - \zeta_{15}^{7}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
11.1
0.913545 + 0.406737i
0.669131 0.743145i
0.669131 + 0.743145i
0.913545 0.406737i
−0.978148 + 0.207912i
−0.104528 0.994522i
−0.104528 + 0.994522i
−0.978148 0.207912i
−0.913545 0.406737i 0.413545 + 0.459289i 0.669131 + 0.743145i 1.11803 + 1.93649i −0.190983 0.587785i −0.500000 2.59808i −0.309017 0.951057i 0.273659 2.60369i −0.233733 2.22382i
81.1 −0.669131 + 0.743145i 0.169131 + 1.60917i −0.104528 0.994522i −1.11803 1.93649i −1.30902 0.951057i −0.500000 2.59808i 0.809017 + 0.587785i 0.373619 0.0794152i 2.18720 + 0.464905i
121.1 −0.669131 0.743145i 0.169131 1.60917i −0.104528 + 0.994522i −1.11803 + 1.93649i −1.30902 + 0.951057i −0.500000 + 2.59808i 0.809017 0.587785i 0.373619 + 0.0794152i 2.18720 0.464905i
191.1 −0.913545 + 0.406737i 0.413545 0.459289i 0.669131 0.743145i 1.11803 1.93649i −0.190983 + 0.587785i −0.500000 + 2.59808i −0.309017 + 0.951057i 0.273659 + 2.60369i −0.233733 + 2.22382i
221.1 0.978148 0.207912i −1.47815 + 0.658114i 0.913545 0.406737i −1.11803 1.93649i −1.30902 + 0.951057i −0.500000 2.59808i 0.809017 0.587785i −0.255585 + 0.283856i −1.49622 1.66172i
261.1 0.104528 + 0.994522i −0.604528 + 0.128496i −0.978148 + 0.207912i 1.11803 1.93649i −0.190983 0.587785i −0.500000 + 2.59808i −0.309017 0.951057i −2.39169 + 1.06485i 2.04275 + 0.909491i
291.1 0.104528 0.994522i −0.604528 0.128496i −0.978148 0.207912i 1.11803 + 1.93649i −0.190983 + 0.587785i −0.500000 2.59808i −0.309017 + 0.951057i −2.39169 1.06485i 2.04275 0.909491i
331.1 0.978148 + 0.207912i −1.47815 0.658114i 0.913545 + 0.406737i −1.11803 + 1.93649i −1.30902 0.951057i −0.500000 + 2.59808i 0.809017 + 0.587785i −0.255585 0.283856i −1.49622 + 1.66172i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 11.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
7.c even 3 1 inner
25.d even 5 1 inner
175.q even 15 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 350.2.q.a 8
7.c even 3 1 inner 350.2.q.a 8
25.d even 5 1 inner 350.2.q.a 8
175.q even 15 1 inner 350.2.q.a 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
350.2.q.a 8 1.a even 1 1 trivial
350.2.q.a 8 7.c even 3 1 inner
350.2.q.a 8 25.d even 5 1 inner
350.2.q.a 8 175.q even 15 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{8} + 3T_{3}^{7} + 5T_{3}^{6} + 8T_{3}^{5} + 9T_{3}^{4} + 2T_{3}^{3} + 2T_{3} + 1 \) acting on \(S_{2}^{\mathrm{new}}(350, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} + T^{7} - T^{5} + \cdots + 1 \) Copy content Toggle raw display
$3$ \( T^{8} + 3 T^{7} + \cdots + 1 \) Copy content Toggle raw display
$5$ \( (T^{4} + 5 T^{2} + 25)^{2} \) Copy content Toggle raw display
$7$ \( (T^{2} + T + 7)^{4} \) Copy content Toggle raw display
$11$ \( T^{8} - 8 T^{7} + \cdots + 14641 \) Copy content Toggle raw display
$13$ \( (T^{4} - 10 T^{3} + \cdots + 25)^{2} \) Copy content Toggle raw display
$17$ \( T^{8} - 14 T^{7} + \cdots + 3748096 \) Copy content Toggle raw display
$19$ \( T^{8} + 6 T^{7} + \cdots + 1679616 \) Copy content Toggle raw display
$23$ \( T^{8} - 7 T^{7} + \cdots + 14641 \) Copy content Toggle raw display
$29$ \( (T^{4} - 11 T^{3} + \cdots + 361)^{2} \) Copy content Toggle raw display
$31$ \( T^{8} - 6 T^{7} + \cdots + 6561 \) Copy content Toggle raw display
$37$ \( T^{8} + T^{7} - 5 T^{6} + \cdots + 1 \) Copy content Toggle raw display
$41$ \( (T^{4} + 8 T^{3} + \cdots + 11881)^{2} \) Copy content Toggle raw display
$43$ \( (T^{2} - 5)^{4} \) Copy content Toggle raw display
$47$ \( T^{8} - 2 T^{7} + \cdots + 3748096 \) Copy content Toggle raw display
$53$ \( T^{8} - 7 T^{7} + \cdots + 1 \) Copy content Toggle raw display
$59$ \( T^{8} + 15 T^{7} + \cdots + 9150625 \) Copy content Toggle raw display
$61$ \( T^{8} - 11 T^{7} + \cdots + 923521 \) Copy content Toggle raw display
$67$ \( T^{8} + T^{7} - T^{5} + \cdots + 1 \) Copy content Toggle raw display
$71$ \( (T^{4} - 13 T^{3} + \cdots + 961)^{2} \) Copy content Toggle raw display
$73$ \( T^{8} - 4 T^{7} + \cdots + 2825761 \) Copy content Toggle raw display
$79$ \( T^{8} + 20 T^{7} + \cdots + 40960000 \) Copy content Toggle raw display
$83$ \( (T^{4} - 13 T^{3} + \cdots + 3481)^{2} \) Copy content Toggle raw display
$89$ \( T^{8} - T^{7} + \cdots + 104060401 \) Copy content Toggle raw display
$97$ \( (T^{4} - 4 T^{3} + \cdots + 5776)^{2} \) Copy content Toggle raw display
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