Symmetry" is one more fundamental scientific concept, which alongside with the "harmony" concept has a relation practically to all frames of the nature, science and artSymmetry generally conveys two primary meanings. The first is an imprecise sense of harmonious or aesthetically pleasing proportionality and balance;[1][2] such that it reflects beauty or perfection. The second meaning is a precise and well-defined concept of balance or "patterned self-similarity" that can be demonstrated or proved according to the rules of a formal system: by geometry, through physics or otherwise
Order 4.
one
A Heart or a Triangle.
zero
A sphere.
180 degrees
4
1
Yes
Order 4.
Three
It would help if you checked your spelling before posting the question. I can guess that "symmerty" is meant to be symmetry but I have no idea what a hepaton is. Sorry.
No. But it does have rotational symmetry of order 2.
zero
Yes, of order 2.
A Heart or a Triangle.
one