Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [975,2,Mod(218,975)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(975, base_ring=CyclotomicField(12))
chi = DirichletCharacter(H, H._module([6, 9, 10]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("975.218");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 975 = 3 \cdot 5^{2} \cdot 13 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 975.bn (of order \(12\), degree \(4\), 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: | \(7.78541419707\) |
Analytic rank: | \(0\) |
Dimension: | \(144\) |
Relative dimension: | \(36\) over \(\Q(\zeta_{12})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{12}]$ |
$q$-expansion
The dimension is sufficiently large that we do not compute an algebraic \(q\)-expansion, but we have computed the trace expansion.
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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
218.1 | −2.56318 | − | 0.686801i | −0.702446 | + | 1.58322i | 4.36613 | + | 2.52079i | 0 | 2.88785 | − | 3.57562i | −1.64167 | + | 0.439885i | −5.70714 | − | 5.70714i | −2.01314 | − | 2.22425i | 0 | ||||
218.2 | −2.56318 | − | 0.686801i | 0.183272 | − | 1.72233i | 4.36613 | + | 2.52079i | 0 | −1.65265 | + | 4.28876i | 1.64167 | − | 0.439885i | −5.70714 | − | 5.70714i | −2.93282 | − | 0.631307i | 0 | ||||
218.3 | −2.41318 | − | 0.646609i | 0.721407 | + | 1.57467i | 3.67327 | + | 2.12076i | 0 | −0.722691 | − | 4.26642i | −4.77125 | + | 1.27845i | −3.95981 | − | 3.95981i | −1.95914 | + | 2.27195i | 0 | ||||
218.4 | −2.41318 | − | 0.646609i | 1.41209 | − | 1.00300i | 3.67327 | + | 2.12076i | 0 | −4.05617 | + | 1.50734i | 4.77125 | − | 1.27845i | −3.95981 | − | 3.95981i | 0.987996 | − | 2.83264i | 0 | ||||
218.5 | −2.24004 | − | 0.600218i | −1.72525 | + | 0.153298i | 2.92548 | + | 1.68903i | 0 | 3.95665 | + | 0.692133i | −0.489037 | + | 0.131037i | −2.25977 | − | 2.25977i | 2.95300 | − | 0.528957i | 0 | ||||
218.6 | −2.24004 | − | 0.600218i | −1.41746 | − | 0.995387i | 2.92548 | + | 1.68903i | 0 | 2.57773 | + | 3.08050i | 0.489037 | − | 0.131037i | −2.25977 | − | 2.25977i | 1.01841 | + | 2.82185i | 0 | ||||
218.7 | −1.95323 | − | 0.523368i | 1.48871 | + | 0.885288i | 1.80916 | + | 1.04452i | 0 | −2.44447 | − | 2.50832i | −1.84686 | + | 0.494865i | −0.127312 | − | 0.127312i | 1.43253 | + | 2.63588i | 0 | ||||
218.8 | −1.95323 | − | 0.523368i | 1.73191 | − | 0.0223254i | 1.80916 | + | 1.04452i | 0 | −3.39450 | − | 0.862817i | 1.84686 | − | 0.494865i | −0.127312 | − | 0.127312i | 2.99900 | − | 0.0773309i | 0 | ||||
218.9 | −1.66802 | − | 0.446946i | 0.509013 | + | 1.65557i | 0.850493 | + | 0.491032i | 0 | −0.109097 | − | 2.98903i | 4.00195 | − | 1.07232i | 1.24298 | + | 1.24298i | −2.48181 | + | 1.68541i | 0 | ||||
218.10 | −1.66802 | − | 0.446946i | 1.26860 | − | 1.17926i | 0.850493 | + | 0.491032i | 0 | −2.64312 | + | 1.40003i | −4.00195 | + | 1.07232i | 1.24298 | + | 1.24298i | 0.218704 | − | 2.99202i | 0 | ||||
218.11 | −1.22543 | − | 0.328354i | −1.42521 | + | 0.984268i | −0.338180 | − | 0.195248i | 0 | 2.06969 | − | 0.738182i | 4.39929 | − | 1.17879i | 2.14447 | + | 2.14447i | 1.06243 | − | 2.80557i | 0 | ||||
218.12 | −1.22543 | − | 0.328354i | −0.742132 | − | 1.56500i | −0.338180 | − | 0.195248i | 0 | 0.395558 | + | 2.16149i | −4.39929 | + | 1.17879i | 2.14447 | + | 2.14447i | −1.89848 | + | 2.32288i | 0 | ||||
218.13 | −0.898447 | − | 0.240738i | 0.941746 | + | 1.45366i | −0.982799 | − | 0.567419i | 0 | −0.496158 | − | 1.53275i | 0.558322 | − | 0.149602i | 2.06181 | + | 2.06181i | −1.22623 | + | 2.73795i | 0 | ||||
218.14 | −0.898447 | − | 0.240738i | 1.54240 | − | 0.788030i | −0.982799 | − | 0.567419i | 0 | −1.57548 | + | 0.336688i | −0.558322 | + | 0.149602i | 2.06181 | + | 2.06181i | 1.75802 | − | 2.43092i | 0 | ||||
218.15 | −0.844128 | − | 0.226183i | −1.15910 | + | 1.28705i | −1.07066 | − | 0.618144i | 0 | 1.26954 | − | 0.824262i | 0.364668 | − | 0.0977124i | 1.99985 | + | 1.99985i | −0.312972 | − | 2.98363i | 0 | ||||
218.16 | −0.844128 | − | 0.226183i | −0.360288 | − | 1.69416i | −1.07066 | − | 0.618144i | 0 | −0.0790629 | + | 1.51158i | −0.364668 | + | 0.0977124i | 1.99985 | + | 1.99985i | −2.74039 | + | 1.22077i | 0 | ||||
218.17 | −0.165517 | − | 0.0443503i | 1.42186 | + | 0.989103i | −1.70662 | − | 0.985319i | 0 | −0.191475 | − | 0.226774i | −1.50095 | + | 0.402179i | 0.481111 | + | 0.481111i | 1.04335 | + | 2.81272i | 0 | ||||
218.18 | −0.165517 | − | 0.0443503i | 1.72592 | − | 0.145660i | −1.70662 | − | 0.985319i | 0 | −0.292129 | − | 0.0524355i | 1.50095 | − | 0.402179i | 0.481111 | + | 0.481111i | 2.95757 | − | 0.502795i | 0 | ||||
218.19 | 0.165517 | + | 0.0443503i | −1.72592 | + | 0.145660i | −1.70662 | − | 0.985319i | 0 | −0.292129 | − | 0.0524355i | −1.50095 | + | 0.402179i | −0.481111 | − | 0.481111i | 2.95757 | − | 0.502795i | 0 | ||||
218.20 | 0.165517 | + | 0.0443503i | −1.42186 | − | 0.989103i | −1.70662 | − | 0.985319i | 0 | −0.191475 | − | 0.226774i | 1.50095 | − | 0.402179i | −0.481111 | − | 0.481111i | 1.04335 | + | 2.81272i | 0 | ||||
See next 80 embeddings (of 144 total) |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
3.b | odd | 2 | 1 | inner |
5.b | even | 2 | 1 | inner |
5.c | odd | 4 | 2 | inner |
13.e | even | 6 | 1 | inner |
15.d | odd | 2 | 1 | inner |
15.e | even | 4 | 2 | inner |
39.h | odd | 6 | 1 | inner |
65.l | even | 6 | 1 | inner |
65.r | odd | 12 | 2 | inner |
195.y | odd | 6 | 1 | inner |
195.bf | even | 12 | 2 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 975.2.bn.e | ✓ | 144 |
3.b | odd | 2 | 1 | inner | 975.2.bn.e | ✓ | 144 |
5.b | even | 2 | 1 | inner | 975.2.bn.e | ✓ | 144 |
5.c | odd | 4 | 2 | inner | 975.2.bn.e | ✓ | 144 |
13.e | even | 6 | 1 | inner | 975.2.bn.e | ✓ | 144 |
15.d | odd | 2 | 1 | inner | 975.2.bn.e | ✓ | 144 |
15.e | even | 4 | 2 | inner | 975.2.bn.e | ✓ | 144 |
39.h | odd | 6 | 1 | inner | 975.2.bn.e | ✓ | 144 |
65.l | even | 6 | 1 | inner | 975.2.bn.e | ✓ | 144 |
65.r | odd | 12 | 2 | inner | 975.2.bn.e | ✓ | 144 |
195.y | odd | 6 | 1 | inner | 975.2.bn.e | ✓ | 144 |
195.bf | even | 12 | 2 | inner | 975.2.bn.e | ✓ | 144 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
975.2.bn.e | ✓ | 144 | 1.a | even | 1 | 1 | trivial |
975.2.bn.e | ✓ | 144 | 3.b | odd | 2 | 1 | inner |
975.2.bn.e | ✓ | 144 | 5.b | even | 2 | 1 | inner |
975.2.bn.e | ✓ | 144 | 5.c | odd | 4 | 2 | inner |
975.2.bn.e | ✓ | 144 | 13.e | even | 6 | 1 | inner |
975.2.bn.e | ✓ | 144 | 15.d | odd | 2 | 1 | inner |
975.2.bn.e | ✓ | 144 | 15.e | even | 4 | 2 | inner |
975.2.bn.e | ✓ | 144 | 39.h | odd | 6 | 1 | inner |
975.2.bn.e | ✓ | 144 | 65.l | even | 6 | 1 | inner |
975.2.bn.e | ✓ | 144 | 65.r | odd | 12 | 2 | inner |
975.2.bn.e | ✓ | 144 | 195.y | odd | 6 | 1 | inner |
975.2.bn.e | ✓ | 144 | 195.bf | even | 12 | 2 | inner |
Hecke kernels
This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(975, [\chi])\):
\( T_{2}^{72} - 147 T_{2}^{68} + 13394 T_{2}^{64} - 769665 T_{2}^{60} + 32429638 T_{2}^{56} + \cdots + 65610000 \) |
\( T_{7}^{72} - 1348 T_{7}^{68} + 1221882 T_{7}^{64} - 619784360 T_{7}^{60} + 229003334979 T_{7}^{56} + \cdots + 53459728531456 \) |