Newspace 570.2.a:
Newforms
| Label | Dim | Coefficient field | Trace form | AL signs | Sign | CM | Elliptic curve |
|---|---|---|---|---|---|---|---|
| 570.2.a.a | 1 | + + + โ | 570b1 rank 0 | ||||
| 570.2.a.b | 1 | + + + + | 570a1 rank 1 | ||||
| 570.2.a.c | 1 | + + โ โ | 570c1 rank 1 | ||||
| 570.2.a.d | 1 | + โ + + | 570d1 rank 0 | ||||
| 570.2.a.e | 1 | + โ โ + | 570e1 rank 1 | ||||
| 570.2.a.f | 1 | + โ โ โ | 570f1 rank 0 | ||||
| 570.2.a.g | 1 | โ + + + | 570g1 rank 0 | ||||
| 570.2.a.h | 1 | โ + โ โ | 570h1 rank 0 | ||||
| 570.2.a.i | 1 | โ + โ โ | 570i1 rank 0 | ||||
| 570.2.a.j | 1 | โ โ + โ | 570j1 rank 0 | ||||
| 570.2.a.k | 1 | โ โ + โ | 570k1 rank 0 | ||||
| 570.2.a.l | 1 | โ โ โ + | 570l1 rank 0 | ||||
| 570.2.a.m | 1 | โ โ โ + | 570m1 rank 0 |
Hecke characteristic polynomials
The eigenvalue of generates each orbit's coefficient field; on the newspace its characteristic polynomial factors over as one irreducible factor per orbit:
| Orbit | Characteristic polynomial of |
|---|---|
| 570.2.a.a | |
| 570.2.a.b | |
| 570.2.a.c | |
| 570.2.a.d | |
| 570.2.a.e | |
| 570.2.a.f | |
| 570.2.a.g | |
| 570.2.a.h | |
| 570.2.a.i | |
| 570.2.a.j | |
| 570.2.a.k | |
| 570.2.a.l | |
| 570.2.a.m |
Dimensions
| Newforms | 13 |
|---|---|
| Old forms | 100 |
| Cusp forms | 113 |
| Eisenstein series | 15 |
| Modular forms | 128 |
Decomposition of the old subspace
Provenance
Stored in the atlas: computed by Sagebrush's modular symbols engine in 1.147 s (one thread) and proven: the dimensions are certified, and the characteristic polynomial of over is reconstructed by CRT past a rigorous coefficient bound.
The engine's checks
dim M^+ at levels [1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570]: [0, 1, 1, 1, 3, 3, 4, 2, 10, 7, 8, 12, 24, 34, 44, 128] (certified at ell = 2147483629)T = [(7, 1), (11, 2), (13, 3), (17, 4), (23, 5), (29, 6), (31, 7), (37, 8), (41, 9), (43, 10), (47, 11), (53, 12)]; h of degree 13 = 1 x 13 (phi(ord eps) x dim S_k^new); 5 primes, 0 rejected
Recompute it yourself
In Sage mode at sagebrush.space (or npx sagebrush --sage):
newform_orbits(570, 2)
With the Rust engine (source), in engine/:
cargo run --release -p sagebrush-web --example atlas -- 570:2 1000