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<p>&nbsp;<p>
<hr noshade size="5">
<h2><a name="Disc"></a>
Disc
</h2>

Computes the discriminant of a polynomial, an order, an algebraic
element, an alff order or a lattice.

<p><p>

<h3>
Syntax:
</h3>
<pre>d := Disc(f);
d := Disc(o);
d := Disc(l);</pre>

<p>

<table>
<tr>
<td>ring element</td>
<td><pre>  d  </pre></td>
<td></td>
</tr>
<tr>
<td>polynomial</td>
<td><pre>  f  </pre></td>
<td></td>
</tr>
<tr>
<td>order alff order</td>
<td><pre>  o  </pre></td>
<td></td>
</tr>
<tr>
<td>lattice</td>
<td><pre>  l  </pre></td>
<td></td>
</tr>
</table>

<p>


<h3>
Description:
</h3>
<i>no detailed description available yet</i>

<p><p>

<p>
<hr>
<p>
<h3>
Example:
</h3>
We will compute some indices: 
<pre>

kash> o := OrderMaximal(Order(x^6 - 9*x^4 - 4*x^3 + 27*x^2 - 36*x - 23));;
kash> O := OrderShort(o);;
kash> Disc(OrderPoly(Zx, o)) / Disc(o);
121352256
kash> Disc(OrderPoly(Zx, O)) / Disc(O);
> 25

</pre>

<p>


<hr>

<p>
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