Dic₁₉₀₄ #72212296

order	7616
automorphism	Aut(G) order 5849088
homology	Abelianization (H₁) = C₂² · Schur multiplier (H₂) = C₁

Aliases

dicyclic

Dic₁₉₀₄

Splittings

Hall	C₇×C₁₇ ⋊ Q₆₄
Sylow	C₁₇ ⋊ Dic₁₁₂
Sylow	C₇ ⋊ Dic₂₇₂

Subgroups

	subgroup	G/H
center	C₂	D₁₉₀₄
commutator, cosocle	C₇×C₁₆×C₁₇	C₂²
Frattini	C₁₆	C₂×D₁₁₉
Fitting	C₇×C₁₇×C₃₂	C₂
socle, prime radical	C₂×C₇×C₁₇	D₁₆
hypercenter	C₃₂	D₁₁₉
hypocenter	C₇×C₁₇	Q₆₄
LCS	G ▷ C₇×C₁₆×C₁₇ ▷ C₇×C₈×C₁₇ ▷ C₄×C₇×C₁₇ ▷ C₂×C₇×C₁₇ ▷ C₇×C₁₇
UCS	C₁ ◁ C₂ ◁ C₄ ◁ C₈ ◁ C₁₆ ◁ C₃₂

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 88
transitive degree	μ_t(G) = 7616

A minimal faithful permutation representation — 2 generators on 88 points:

(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32)(33,64,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34)(65,66,67,68,69,70,71)(72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88);(1,33,17,49)(2,34,18,50)(3,35,19,51)(4,36,20,52)(5,37,21,53)(6,38,22,54)(7,39,23,55)(8,40,24,56)(9,41,25,57)(10,42,26,58)(11,43,27,59)(12,44,28,60)(13,45,29,61)(14,46,30,62)(15,47,31,63)(16,48,32,64)(66,71)(67,70)(68,69)(73,88)(74,87)(75,86)(76,85)(77,84)(78,83)(79,82)(80,81)

Polycyclic presentation:

2^6,7,17|a^2=f,b^2=cd,c^2=de,d^2=ef,e^2=f,b^a=bc,c^a=cd,d^a=de,e^a=ef,g^a=g^6,h^a=h^16

Conjugacy classes & character table

1907 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of	Dic₃₈₀₈, Dic₅₇₁₂, Dic₉₅₂₀, …
maximal normal subgroup of	Dic₃₈₀₈
maximal quotient of	Dic₅₇₁₂, Dic₉₅₂₀, Dic₁₃₃₂₈

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, 7, 17]);;
gap> SetPower(coll, 1, F.6);;
gap> SetPower(coll, 2, F.3*F.4);;
gap> SetPower(coll, 3, F.4*F.5);;
gap> SetPower(coll, 4, F.5*F.6);;
gap> SetPower(coll, 5, F.6);;
gap> SetConjugate(coll, 2, 1, F.2*F.3);;
gap> SetConjugate(coll, 3, 1, F.3*F.4);;
gap> SetConjugate(coll, 4, 1, F.4*F.5);;
gap> SetConjugate(coll, 5, 1, F.5*F.6);;
gap> SetConjugate(coll, 7, 1, F.7^6);;
gap> SetConjugate(coll, 8, 1, F.8^16);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);

Dic1904 #72212296