#34178802

order	20224
automorphism	?
homology	Abelianization (H₁) = C₂×C₄² · Schur multiplier (H₂) = C₂²×C₄

Aliases

No aliases for this group.

Splittings

Fitting	C₇₉×#1452 ⋊ C₂
Sylow	C₇₉ ⋊ #8157

Subgroups

	subgroup	G/H
center	C₂×C₄	C₂×(C₂×D₇₉)⋊C₄
commutator	C₂³×C₇₉	C₂×C₄²
Frattini	C₂×C₄²	C₂²×D₇₉
Fitting	C₇₉×#1452	C₂
socle	C₂²×C₇₉	C₄×C₂²⋊C₄
prime radical	C₂³×D₇₉	C₄²
cosocle	C₂×C₄²×C₇₉	C₂³
hypercenter	#1452	D₇₉
hypocenter	C₇₉	#8157
LCS	G ▷ C₂³×C₇₉ ▷ C₂×C₇₉ ▷ C₇₉
UCS	C₁ ◁ C₂×C₄ ◁ C₂×C₄×C₈ ◁ #1452

482 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 119
transitive degree	μ_t(G) = 5056

A minimal faithful permutation representation — 3 generators on 119 points:

(1,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,79,77,75,73,71,69,67,65,63,61,59,57,55,53,51,49,47,45,43,41,39,37,35,33,31,29,27,25,23,21,19,17,15,13,11,9,7,5,3)(81,84)(85,87)(88,91,92,102,93,103,104,115)(89,95,96,108,97,109,110,118)(90,99,101,114,100,113,105,116)(94,106,107,117,98,111,112,119);(80,81,82,85,83,84,86,87)(88,90)(89,94,97,98)(91,99)(92,101)(93,100)(95,106,109,111)(96,107,110,112)(102,114)(103,113)(104,105)(108,117,118,119)(115,116);(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)(34,35)(36,37)(38,39)(40,41)(42,43)(44,45)(46,47)(48,49)(50,51)(52,53)(54,55)(56,57)(58,59)(60,61)(62,63)(64,65)(66,67)(68,69)(70,71)(72,73)(74,75)(76,77)(78,79)(88,89,92,96,93,97,104,110)(90,98,101,112,100,94,105,107)(91,95,102,108,103,109,115,118)(99,111,114,119,113,106,116,117)

Polycyclic presentation:

2^8,79|a^2=e,b^2=f,c^2=e,e^2=g,f^2=h,b^a=bd,f^a=fg,i^a=i^78,c^b=ch,d^b=dg

Conjugacy classes & character table

2248 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 60101);