2P_2 union 3K_1

(1, 7)-fiveleaper graph | 7-graph 8

vertex count | 7 edge count | 2 connected component count | 5

acyclic | apex | asymmetric | bicolorable | bipartite | block | bridged | chordal | chordless | chromatically nonunique | class 1 | claw-free | determined by resistance | determined by spectrum | disconnected | dominating nonunique | edge-transitive | fiveleaper | flexible | forest | integral | line graphs | linklessly embeddable | map | matchstick | Meyniel | noncayley | nonempty | noneulerian | nongeometric | nonhamiltonian | no perfect matching | outerplanar | perfect | planar | projective planar | pseudoforest | Ptolemaic | simple | square-free | strongly perfect | switchable | triangle-free | ungraceful | unigraphic | uniquely embeddable | unit-distance | untraceable | weakly perfect | well covered

(1, 1, 1, 2, 2)-complete 5-partite graph

2-empty graph

vertex degrees | 0 (3 vertices) | 1 (4 vertices)

radius | ∞ diameter | ∞ girth | ∞ vertex connectivity | 0 edge connectivity | 0

(x - 1)^2 x^3 (x + 1)^2

(x + 1)^2

x^2

chromatic number | 2 edge chromatic number | 1

(-1)^2 0^3 1^2

(0 | 0 | 0 | 0 | 0 | 1 | 0 0 | 0 | 0 | 0 | 0 | 0 | 1 0 | 0 | 0 | 0 | 0 | 0 | 0 0 | 0 | 0 | 0 | 0 | 0 | 0 0 | 0 | 0 | 0 | 0 | 0 | 0 1 | 0 | 0 | 0 | 0 | 0 | 0 0 | 1 | 0 | 0 | 0 | 0 | 0)

(1 | 0 0 | 1 0 | 0 0 | 0 0 | 0 1 | 0 0 | 1)

Hosoya index | 4 Kirchhoff index | ∞ stability index | 0 Wiener index | ∞