Properties

Label 2450.4.a.bv
Level $2450$
Weight $4$
Character orbit 2450.a
Self dual yes
Analytic conductor $144.555$
Analytic rank $0$
Dimension $2$
CM no
Inner twists $1$

Related objects

Downloads

Learn more

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2450,4,Mod(1,2450)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2450, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0]))
 
N = Newforms(chi, 4, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2450.1");
 
S:= CuspForms(chi, 4);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2450 = 2 \cdot 5^{2} \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 2450.a (trivial)

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: yes
Analytic conductor: \(144.554679514\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{46}) \)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - 46 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 70)
Fricke sign: \(1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-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 \(\beta = \sqrt{46}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + 2 q^{2} + (\beta - 1) q^{3} + 4 q^{4} + (2 \beta - 2) q^{6} + 8 q^{8} + ( - 2 \beta + 20) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + 2 q^{2} + (\beta - 1) q^{3} + 4 q^{4} + (2 \beta - 2) q^{6} + 8 q^{8} + ( - 2 \beta + 20) q^{9} + (2 \beta - 34) q^{11} + (4 \beta - 4) q^{12} + ( - 4 \beta - 26) q^{13} + 16 q^{16} + ( - 8 \beta + 82) q^{17} + ( - 4 \beta + 40) q^{18} + (4 \beta + 116) q^{19} + (4 \beta - 68) q^{22} + (15 \beta + 99) q^{23} + (8 \beta - 8) q^{24} + ( - 8 \beta - 52) q^{26} + ( - 5 \beta - 85) q^{27} + (18 \beta - 9) q^{29} + (30 \beta - 98) q^{31} + 32 q^{32} + ( - 36 \beta + 126) q^{33} + ( - 16 \beta + 164) q^{34} + ( - 8 \beta + 80) q^{36} + (12 \beta - 80) q^{37} + (8 \beta + 232) q^{38} + ( - 22 \beta - 158) q^{39} + (38 \beta - 31) q^{41} + ( - 25 \beta - 99) q^{43} + (8 \beta - 136) q^{44} + (30 \beta + 198) q^{46} + ( - 8 \beta + 82) q^{47} + (16 \beta - 16) q^{48} + (90 \beta - 450) q^{51} + ( - 16 \beta - 104) q^{52} + ( - 8 \beta - 20) q^{53} + ( - 10 \beta - 170) q^{54} + (112 \beta + 68) q^{57} + (36 \beta - 18) q^{58} + ( - 104 \beta + 40) q^{59} + ( - 88 \beta + 87) q^{61} + (60 \beta - 196) q^{62} + 64 q^{64} + ( - 72 \beta + 252) q^{66} + (67 \beta + 527) q^{67} + ( - 32 \beta + 328) q^{68} + (84 \beta + 591) q^{69} + (40 \beta - 416) q^{71} + ( - 16 \beta + 160) q^{72} + (48 \beta + 410) q^{73} + (24 \beta - 160) q^{74} + (16 \beta + 464) q^{76} + ( - 44 \beta - 316) q^{78} + (64 \beta - 288) q^{79} + ( - 26 \beta - 685) q^{81} + (76 \beta - 62) q^{82} + (127 \beta - 149) q^{83} + ( - 50 \beta - 198) q^{86} + ( - 27 \beta + 837) q^{87} + (16 \beta - 272) q^{88} + (76 \beta + 91) q^{89} + (60 \beta + 396) q^{92} + ( - 128 \beta + 1478) q^{93} + ( - 16 \beta + 164) q^{94} + (32 \beta - 32) q^{96} + (48 \beta + 446) q^{97} + (108 \beta - 864) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q + 4 q^{2} - 2 q^{3} + 8 q^{4} - 4 q^{6} + 16 q^{8} + 40 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q + 4 q^{2} - 2 q^{3} + 8 q^{4} - 4 q^{6} + 16 q^{8} + 40 q^{9} - 68 q^{11} - 8 q^{12} - 52 q^{13} + 32 q^{16} + 164 q^{17} + 80 q^{18} + 232 q^{19} - 136 q^{22} + 198 q^{23} - 16 q^{24} - 104 q^{26} - 170 q^{27} - 18 q^{29} - 196 q^{31} + 64 q^{32} + 252 q^{33} + 328 q^{34} + 160 q^{36} - 160 q^{37} + 464 q^{38} - 316 q^{39} - 62 q^{41} - 198 q^{43} - 272 q^{44} + 396 q^{46} + 164 q^{47} - 32 q^{48} - 900 q^{51} - 208 q^{52} - 40 q^{53} - 340 q^{54} + 136 q^{57} - 36 q^{58} + 80 q^{59} + 174 q^{61} - 392 q^{62} + 128 q^{64} + 504 q^{66} + 1054 q^{67} + 656 q^{68} + 1182 q^{69} - 832 q^{71} + 320 q^{72} + 820 q^{73} - 320 q^{74} + 928 q^{76} - 632 q^{78} - 576 q^{79} - 1370 q^{81} - 124 q^{82} - 298 q^{83} - 396 q^{86} + 1674 q^{87} - 544 q^{88} + 182 q^{89} + 792 q^{92} + 2956 q^{93} + 328 q^{94} - 64 q^{96} + 892 q^{97} - 1728 q^{99}+O(q^{100}) \) Copy content Toggle raw display

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
−6.78233
6.78233
2.00000 −7.78233 4.00000 0 −15.5647 0 8.00000 33.5647 0
1.2 2.00000 5.78233 4.00000 0 11.5647 0 8.00000 6.43534 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(-1\)
\(5\) \(1\)
\(7\) \(-1\)

Inner twists

This newform does not admit any (nontrivial) inner twists.

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2450.4.a.bv 2
5.b even 2 1 490.4.a.t 2
7.b odd 2 1 2450.4.a.bz 2
7.d odd 6 2 350.4.e.h 4
35.c odd 2 1 490.4.a.r 2
35.i odd 6 2 70.4.e.d 4
35.j even 6 2 490.4.e.u 4
35.k even 12 4 350.4.j.g 8
105.p even 6 2 630.4.k.l 4
140.s even 6 2 560.4.q.j 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
70.4.e.d 4 35.i odd 6 2
350.4.e.h 4 7.d odd 6 2
350.4.j.g 8 35.k even 12 4
490.4.a.r 2 35.c odd 2 1
490.4.a.t 2 5.b even 2 1
490.4.e.u 4 35.j even 6 2
560.4.q.j 4 140.s even 6 2
630.4.k.l 4 105.p even 6 2
2450.4.a.bv 2 1.a even 1 1 trivial
2450.4.a.bz 2 7.b odd 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{4}^{\mathrm{new}}(\Gamma_0(2450))\):

\( T_{3}^{2} + 2T_{3} - 45 \) Copy content Toggle raw display
\( T_{11}^{2} + 68T_{11} + 972 \) Copy content Toggle raw display
\( T_{19}^{2} - 232T_{19} + 12720 \) Copy content Toggle raw display
\( T_{23}^{2} - 198T_{23} - 549 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T - 2)^{2} \) Copy content Toggle raw display
$3$ \( T^{2} + 2T - 45 \) Copy content Toggle raw display
$5$ \( T^{2} \) Copy content Toggle raw display
$7$ \( T^{2} \) Copy content Toggle raw display
$11$ \( T^{2} + 68T + 972 \) Copy content Toggle raw display
$13$ \( T^{2} + 52T - 60 \) Copy content Toggle raw display
$17$ \( T^{2} - 164T + 3780 \) Copy content Toggle raw display
$19$ \( T^{2} - 232T + 12720 \) Copy content Toggle raw display
$23$ \( T^{2} - 198T - 549 \) Copy content Toggle raw display
$29$ \( T^{2} + 18T - 14823 \) Copy content Toggle raw display
$31$ \( T^{2} + 196T - 31796 \) Copy content Toggle raw display
$37$ \( T^{2} + 160T - 224 \) Copy content Toggle raw display
$41$ \( T^{2} + 62T - 65463 \) Copy content Toggle raw display
$43$ \( T^{2} + 198T - 18949 \) Copy content Toggle raw display
$47$ \( T^{2} - 164T + 3780 \) Copy content Toggle raw display
$53$ \( T^{2} + 40T - 2544 \) Copy content Toggle raw display
$59$ \( T^{2} - 80T - 495936 \) Copy content Toggle raw display
$61$ \( T^{2} - 174T - 348655 \) Copy content Toggle raw display
$67$ \( T^{2} - 1054T + 71235 \) Copy content Toggle raw display
$71$ \( T^{2} + 832T + 99456 \) Copy content Toggle raw display
$73$ \( T^{2} - 820T + 62116 \) Copy content Toggle raw display
$79$ \( T^{2} + 576T - 105472 \) Copy content Toggle raw display
$83$ \( T^{2} + 298T - 719733 \) Copy content Toggle raw display
$89$ \( T^{2} - 182T - 257415 \) Copy content Toggle raw display
$97$ \( T^{2} - 892T + 92932 \) Copy content Toggle raw display
show more
show less