#72218141

order	2240
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄ · Schur multiplier (H₂) = C₂²

Aliases

No aliases for this group.

Splittings

Fitting	C₅×C₇×SD₁₆ ⋊ C₄
Hall	C₅×C₇ ⋊ #440
Sylow	C₇ ⋊ #65735
Sylow	C₅ ⋊ #89936

Subgroups

	subgroup	G/H
center	C₂	D₄×C₇⋊AGL(1,𝔽₅)
commutator	C₄×C₅×C₇	C₂²×C₄
Frattini	C₄	C₂²×C₇⋊AGL(1,𝔽₅)
Fitting	C₅×C₇×SD₁₆	C₄
socle	C₂×C₅×C₇	C₄×D₄
prime radical	C₇×D₄×D₅	C₂²
cosocle	C₄×C₇×D₅	C₂³
hypercenter	SD₁₆	C₇⋊AGL(1,𝔽₅)
hypocenter	C₅×C₇	#440
LCS	G ▷ C₄×C₅×C₇ ▷ C₂×C₅×C₇ ▷ C₅×C₇
UCS	C₁ ◁ C₂ ◁ C₄ ◁ SD₁₆

240 conjugacy classes of subgroups; only the 71 normal subgroups are shown.

normal subgroups only

This group has 240 conjugacy classes of subgroups — too many to draw. Only its 71 normal subgroups are shown.

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

Full subgroup data →

Presentation

Polycyclic presentation:

2^6,5,7|a^2=e,b^2=d,c^2=d,e^2=f,b^a=be,c^a=cf,e^b=ef,g^b=g^3,g^c=g^3,g^d=g^4,h^b=h^6,h^c=h^6

Conjugacy classes & character table

113 conjugacy classes — view the full character table.

Relationships

maximal subgroup of	#72218142, AGL(1,ℤ/8)×C₇⋊AGL(1,𝔽₅), AGL(1,𝔽₅)×#6477, …
maximal normal subgroup of	#72218142, AGL(1,ℤ/8)×C₇⋊AGL(1,𝔽₅), AGL(1,𝔽₅)×#6477, …

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, 2, 5, 7]);;
gap> SetPower(coll, 1, F.5);;
gap> SetPower(coll, 2, F.4);;
gap> SetPower(coll, 3, F.4);;
gap> SetPower(coll, 5, F.6);;
gap> SetConjugate(coll, 2, 1, F.2*F.5);;
gap> SetConjugate(coll, 3, 1, F.3*F.6);;
gap> SetConjugate(coll, 5, 2, F.5*F.6);;
gap> SetConjugate(coll, 7, 2, F.7^3);;
gap> SetConjugate(coll, 7, 3, F.7^3);;
gap> SetConjugate(coll, 7, 4, F.7^4);;
gap> SetConjugate(coll, 8, 2, F.8^6);;
gap> SetConjugate(coll, 8, 3, F.8^6);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);