#72246644

order	2016
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄ · Schur multiplier (H₂) = C₂⁴

Aliases

No aliases for this group.

Splittings

Fitting	C₂×C₃²×C₄×C₇ ⋊ C₂²
Hall	C₃²×C₇ ⋊ C₂×C₂²⋊C₄
Sylow	C₃² ⋊ C₂×(C₂×D₇)⋊C₄
Sylow	C₇ ⋊ #63921

Subgroups

	subgroup	G/H
center, Frattini	C₂²	C₂×(C₃⋊D₃)⋊D₇
commutator	C₂×C₃²×C₇	C₂²×C₄
Fitting	C₂×C₃²×C₄×C₇	C₂²
socle, cosocle	C₂²×C₃²×C₇	C₂³
prime radical	C₂²×(C₃⋊D₃)⋊D₇	C₂
hypercenter	C₂×C₄	(C₃⋊D₃)⋊D₇
hypocenter	C₃²×C₇	C₂×C₂²⋊C₄
LCS	G ▷ C₂×C₃²×C₇ ▷ C₃²×C₇
UCS	C₁ ◁ C₂² ◁ C₂×C₄

582 conjugacy classes of subgroups; only the 103 normal subgroups are shown.

normal subgroups only

This group has 582 conjugacy classes of subgroups — too many to draw. Only its 103 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degree

μ_t(G) = 336

Polycyclic presentation:

2^5,3^2,7|b^2=d,b^a=be,f^a=f^2,f^c=f^2,g^a=f^2g,g^c=g^2,h^a=h^6

Conjugacy classes & character table

192 conjugacy classes — view the full character table.

Relationships

maximal subgroup of	D₇×#63921, #72246874, #72246984
maximal normal subgroup of	D₇×#63921, #72246874, #72246984
maximal quotient of	#72246648

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from its polycyclic presentation:

gap> F := FreeGroup(IsSyllableWordsFamily, "a", "b", "c", "d", "e", "f", "g", "h");;
gap> coll := SingleCollector(F, [2, 2, 2, 2, 2, 3, 3, 7]);;
gap> SetPower(coll, 2, F.4);;
gap> SetConjugate(coll, 2, 1, F.2*F.5);;
gap> SetConjugate(coll, 6, 1, F.6^2);;
gap> SetConjugate(coll, 6, 3, F.6^2);;
gap> SetConjugate(coll, 7, 1, F.6^2*F.7);;
gap> SetConjugate(coll, 7, 3, F.7^2);;
gap> SetConjugate(coll, 8, 1, F.8^6);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);