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

Returns the index of an order.

<p><p>

<h3>
Syntax:
</h3>
<pre>d := AlffOrderIndex(o);</pre>

<p>

<table>
<tr>
<td>element</td>
<td><pre>  d  </pre></td>
<td>of the coefficient ring</td>
</tr>
<tr>
<td>algebraic function field order</td>
<td><pre>  o  </pre></td>
<td></td>
</tr>
</table>

<p>


See also:&nbsp;&nbsp;<a href="kashref.html#AlffOrderMaxFinite">AlffOrderMaxFinite</a>, <a href="kashref.html#AlffOrderMaxInfty">AlffOrderMaxInfty</a>

<p>

<h3>
Description:
</h3>
This function returns the index of the equation order in the
given order (as a module over its coefficient ring).

<p><p>

<p>
<hr>
<p>
<h3>
Example:
</h3>

<pre>

kash> AlffInit(FF(7,1));
"Defining global variables: k, w, kT, kTf, kTy, T, y, AlffGlobals"
kash> AlffOrders(y^3+T^3*y+T);
"Defining global variables: F, o, oi, one"
kash> o := AlffOrderMaxFinite(F);
Finite maximal order of 
Algebraic function field defined by
.1^3 + .1*.2^3 + .2
over
Univariate rational function field over GF(7)
Variables: T
given by transformation matrix
[T^3 + T^2 + 5*T + 6                   0     4*T^2 + 6*T + 3]
[                  0 T^3 + T^2 + 5*T + 6     3*T^2 + 5*T + 3]
[                  0                   0                   1]
with denominator T^3 + T^2 + 5*T + 6
kash> p := AlffOrderIndex(o);
> 1

</pre>

<p>


<hr>

<p>
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