Acronym sassiph Name snub square prismatic honeycomb ` ©` Externallinks

Incidence matrix according to Dynkin symbol

```x∞o s4s4s   (N→∞)

. . demi( . . . ) | 4N |  1  2  2  2 |  2 1 1  4  4  3 | 2 2  6
------------------+----+-------------+-----------------+-------
. .     ( s 2 s ) |  2 | 2N  *  *  * |  2 0 0  0  0  2 | 0 0  4
x . demi( . . . ) |  2 |  * 4N  *  * |  1 0 0  2  2  0 | 1 1  3
. . sefa( s4s . ) |  2 |  *  * 4N  * |  0 1 0  2  0  1 | 2 0  2
. . sefa( . s4s ) |  2 |  *  *  * 4N |  0 0 1  0  2  1 | 0 2  2
------------------+----+-------------+-----------------+-------
x .     ( s 2 s ) |  4 |  2  2  0  0 | 2N * *  *  *  * | 0 0  2
. .       s4s .   ♦  4 |  0  0  4  0 |  * N *  *  *  * | 2 0  0
. .       . s4s   ♦  4 |  0  0  0  4 |  * * N  *  *  * | 0 2  0
x . sefa( s4s . ) |  4 |  0  2  2  0 |  * * * 4N  *  * | 1 0  1
x . sefa( . s4s ) |  4 |  0  2  0  2 |  * * *  * 4N  * | 0 1  1
. . sefa( s4s4s ) |  3 |  1  0  1  1 |  * * *  *  * 4N | 0 0  2
------------------+----+-------------+-----------------+-------
x .       s4s .   ♦  8 |  0  4  8  0 |  0 2 0  4  0  0 | N *  *
x .       . s4s   ♦  8 |  0  4  0  8 |  0 0 2  0  4  0 | * N  *
x . sefa( s4s4s ) ♦  6 |  2  3  2  2 |  1 0 0  1  1  2 | * * 4N

or
. . demi( . . . )    | 2N | 1  2  4 | 2 2  8  3 | 4  6
---------------------+----+---------+-----------+-----
. .     ( s 2 s )    |  2 | N  *  * | 2 0  0  2 | 0  4
x . demi( . . . )    |  2 | * 2N  * | 1 0  4  0 | 2  3
. . sefa( x4x . )  & |  2 | *  * 4N | 0 1  2  1 | 2  2
---------------------+----+---------+-----------+-----
x .     ( s 2 s )    |  4 | 2  2  0 | N *  *  * | 0  2
. .       s4s .    & ♦  4 | 0  0  4 | * N  *  * | 2  0
x . sefa( s4s . )  & |  4 | 0  2  2 | * * 4N  * | 1  1
. . sefa( s4s4s )    |  3 | 1  0  2 | * *  * 2N | 0  2
---------------------+----+---------+-----------+-----
x .       s4s .    & ♦  8 | 0  4  8 | 0 2  4  0 | N  *
x . sefa( s4s4s )    ♦  6 | 2  3  4 | 1 0  2  2 | * 2N
```

```x∞x s4s4s   (N→∞)

. . demi( . . . ) | 8N |  1  1  1  2  2 |  1  1  1  1  2  2  2  2  3 | 1 1 1 1  3  3
------------------+----+----------------+----------------------------+--------------
. .     ( s 2 s ) |  2 | 4N   *  * *  * |  1  1  0  0  0  0  0  0  2 | 0 0 0 0  2  2
x . demi( . . . ) |  2 |  * 4N  *  *  * |  1  0  0  0  2  2  0  0  0 | 1 1 0 0  3  0
. x demi( . . . ) |  2 |  *  * 4N  *  * |  0  1  0  0  0  0  2  2  0 | 0 0 1 1  0  3
. . sefa( s4s . ) |  2 |  *  *  * 8N  * |  0  0  1  0  1  0  1  0  1 | 1 0 1 0  1  1
. . sefa( . s4s ) |  2 |  *  *  *  * 8N |  0  0  0  1  0  1  0  1  1 | 0 1 0 1  1  1
------------------+----+----------------+----------------------------+--------------
x .     ( s 2 s ) |  4 |  2  2  0  0  0 | 2N  *  *  *  *  *  *  *  * | 0 0 0 0  2  0
. x     ( s 2 s ) |  4 |  2  0  2  0  0 |  * 2N  *  *  *  *  *  *  * | 0 0 0 0  0  2
. .       s4s .   ♦  4 |  0  0  0  4  0 |  *  * 2N  *  *  *  *  *  * | 1 0 1 0  0  0
. .       . s4s   ♦  4 |  0  0  0  0  4 |  *  *  * 2N  *  *  *  *  * | 0 1 0 1  0  0
x . sefa( s4s . ) |  4 |  0  2  0  2  0 |  *  *  *  * 4N  *  *  *  * | 1 0 0 0  1  0
x . sefa( . s4s ) |  4 |  0  2  0  0  2 |  *  *  *  *  * 4N  *  *  * | 0 1 0 0  1  0
. x sefa( s4s . ) |  4 |  0  0  2  2  0 |  *  *  *  *  *  * 4N  *  * | 0 0 1 0  0  1
. x sefa( . s4s ) |  4 |  0  0  2  0  2 |  *  *  *  *  *  *  * 4N  * | 0 0 0 1  0  1
. . sefa( s4s4s ) |  3 |  1  0  0  1  1 |  *  *  *  *  *  *  *  * 8N | 0 0 0 0  1  1
------------------+----+----------------+----------------------------+--------------
x .       s4s .   ♦  8 |  0  4  0  8  0 |  0  0  2  0  4  0  0  0  0 | N * * *  *  *
x .       . s4s   ♦  8 |  0  4  0  0  8 |  0  0  0  2  0  4  0  0  0 | * N * *  *  *
. x       s4s .   ♦  8 |  0  0  4  8  0 |  0  0  2  0  0  0  4  0  0 | * * N *  *  *
. x       . s4s   ♦  8 |  0  0  4  0  8 |  0  0  0  2  0  0  0  4  0 | * * * N  *  *
x . sefa( s4s4s ) ♦  6 |  2  3  0  2  2 |  1  0  0  0  1  1  0  0  2 | * * * * 4N  *
. x sefa( s4s4s ) ♦  6 |  2  0  3  2  2 |  0  1  0  0  0  0  1  1  2 | * * * *  * 4N

or
. . demi( . . . )    | 4N |  1  1  1  4 | 1 1  2  4  4  3 | 2 2  3  3
---------------------+----+-------------+-----------------+----------
. .     ( s 2 s )    |  2 | 2N  *  *  * | 1 1  0  0  0  2 | 0 0  2  2
x . demi( . . . )    |  2 |  * 2N  *  * | 1 0  0  4  0  0 | 2 0  3  0
. x demi( . . . )    |  2 |  *  * 2N  * | 0 1  0  0  4  0 | 0 2  0  3
. . sefa( s4s . )  & |  2 |  *  *  * 8N | 0 0  1  1  1  1 | 1 1  1  1
---------------------+----+-------------+-----------------+----------
x .     ( s 2 s )    |  4 |  2  2  0  0 | N *  *  *  *  * | 0 0  2  0
. x     ( s 2 s )    |  4 |  2  0  2  0 | * N  *  *  *  * | 0 0  0  2
. .       s4s .    & ♦  4 |  0  0  0  4 | * * 2N  *  *  * | 1 1  0  0
x . sefa( s4s . )  & |  4 |  0  2  0  2 | * *  * 4N  *  * | 1 0  1  0
. x sefa( s4s . )  & |  4 |  0  0  2  2 | * *  *  * 4N  * | 0 1  0  1
. . sefa( s4s4s )    |  3 |  1  0  0  2 | * *  *  *  * 4N | 0 0  1  1
---------------------+----+-------------+-----------------+----------
x .       s4s .    & ♦  8 |  0  4  0  8 | 0 0  2  4  0  0 | N *  *  *
. x       s4s .    & ♦  8 |  0  0  4  8 | 0 0  2  0  4  0 | * N  *  *
x . sefa( s4s4s )    ♦  6 |  2  3  0  4 | 1 0  0  2  0  2 | * * 2N  *
. x sefa( s4s4s )    ♦  6 |  2  0  3  4 | 0 1  0  0  2  2 | * *  * 2N
```