WOLFRAM
|
DEMONSTRATIONS PROJECT
Group of Symmetries of the Square
p
r
o
d
u
c
t
e
r
9
0
r
1
8
0
r
2
7
0
m
h
m
v
m
D
m
d
e
e
r
9
0
r
1
8
0
r
2
7
0
m
h
m
v
m
D
m
d
r
9
0
r
9
0
r
1
8
0
r
2
7
0
e
m
D
m
d
m
v
m
h
r
1
8
0
r
1
8
0
r
2
7
0
e
r
9
0
m
v
m
h
m
d
m
D
r
2
7
0
r
2
7
0
e
r
9
0
r
1
8
0
m
d
m
D
m
h
m
v
m
h
m
h
m
d
m
v
m
D
e
r
1
8
0
r
2
7
0
r
9
0
m
v
m
v
m
D
m
h
m
d
r
1
8
0
e
r
9
0
r
2
7
0
m
D
m
D
m
h
m
d
m
v
r
9
0
r
2
7
0
e
r
1
8
0
m
d
m
d
m
v
m
D
m
h
r
2
7
0
r
9
0
r
1
8
0
e
T
h
e
t
a
b
l
e
s
h
o
w
s
t
h
e
g
r
o
u
p
o
f
s
y
m
m
e
t
r
i
e
s
o
f
a
s
q
u
a
r
e
.
T
w
o
o
p
e
r
a
t
i
o
n
s
o
f
t
h
e
g
r
o
u
p
a
r
e
a
p
p
l
i
e
d
s
u
c
c
e
s
s
i
v
e
l
y
t
o
t
h
e
c
o
l
o
r
e
d
s
q
u
a
r
e
s
.
T
h
e
i
r
p
r
o
d
u
c
t
i
s
s
h
o
w
n
i
n
t
h
e
t
a
b
l
e
.