Properties

Label 1824.2.p
Level $1824$
Weight $2$
Character orbit 1824.p
Rep. character $\chi_{1824}(113,\cdot)$
Character field $\Q$
Dimension $76$
Newform subspaces $2$
Sturm bound $640$
Trace bound $1$

Related objects

Downloads

Learn more

Defining parameters

Level: \( N \) \(=\) \( 1824 = 2^{5} \cdot 3 \cdot 19 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1824.p (of order \(2\) and degree \(1\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 456 \)
Character field: \(\Q\)
Newform subspaces: \( 2 \)
Sturm bound: \(640\)
Trace bound: \(1\)
Distinguishing \(T_p\): \(5\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(1824, [\chi])\).

Total New Old
Modular forms 336 84 252
Cusp forms 304 76 228
Eisenstein series 32 8 24

Trace form

\( 76 q + 8 q^{7} - 4 q^{9} + O(q^{10}) \) \( 76 q + 8 q^{7} - 4 q^{9} + 52 q^{25} + 16 q^{39} + 60 q^{49} + 48 q^{55} - 12 q^{57} + 32 q^{63} - 24 q^{73} - 12 q^{81} + 48 q^{87} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(1824, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
1824.2.p.a 1824.p 456.p $12$ $14.565$ \(\mathbb{Q}[x]/(x^{12} - \cdots)\) \(\Q(\sqrt{-38}) \) \(0\) \(0\) \(0\) \(0\) $\mathrm{U}(1)[D_{2}]$ \(q-\beta _{8}q^{3}+(\beta _{9}-\beta _{10})q^{7}+\beta _{10}q^{9}+\cdots\)
1824.2.p.b 1824.p 456.p $64$ $14.565$ None \(0\) \(0\) \(0\) \(8\) $\mathrm{SU}(2)[C_{2}]$

Decomposition of \(S_{2}^{\mathrm{old}}(1824, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(1824, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(456, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(912, [\chi])\)\(^{\oplus 2}\)