#72247015

order	2016
automorphism	?
homology	Abelianization (H₁) = C₂³ · Schur multiplier (H₂) = C₂⁴

Aliases

No aliases for this group.

Splittings

Hall	C₃²×C₇ ⋊ #120
Sylow	C₃² ⋊ #6445
Sylow	C₇ ⋊ #63977

Subgroups

	subgroup	G/H
center, Frattini	C₂²	C₂×D₃×D₂₁
commutator, socle, cosocle	C₂²×C₃²×C₇	C₂³
Fitting	C₂³×C₃²×C₇	C₂²
hypercenter	C₂³	D₃×D₂₁
hypocenter	C₃²×C₇	#120
LCS	G ▷ C₂²×C₃²×C₇ ▷ C₃²×C₇
UCS	C₁ ◁ C₂² ◁ C₂³

574 conjugacy classes of subgroups; only the 98 normal subgroups are shown.

normal subgroups only

This group has 574 conjugacy classes of subgroups — too many to draw. Only its 98 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,c^b=cd,f^a=f^2,f^b=f^2,g^a=f^2g,g^b=g^2,h^a=h^6,h^b=h^6

Conjugacy classes & character table

210 conjugacy classes — view the full character table.

Relationships

maximal subgroup of	#72247028, #72247046, D₇×#63977
maximal normal subgroup of	#72247028, #72247046, D₇×#63977
maximal quotient of	#72247017

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, 3, 2, F.3*F.4);;
gap> SetConjugate(coll, 6, 1, F.6^2);;
gap> SetConjugate(coll, 6, 2, F.6^2);;
gap> SetConjugate(coll, 7, 1, F.6^2*F.7);;
gap> SetConjugate(coll, 7, 2, F.7^2);;
gap> SetConjugate(coll, 8, 1, F.8^6);;
gap> SetConjugate(coll, 8, 2, F.8^6);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);