#34098330

order	20096
automorphism	?
homology	Abelianization (H₁) = C₂×C₄ · Schur multiplier (H₂) = C₂

Aliases

No aliases for this group.

Splittings

Sylow

C₁₅₇ ⋊ #1420

Subgroups

	subgroup	G/H
center	C₂	#23757075
commutator	C₁₆×C₁₅₇	C₂×C₄
Frattini	C₂×C₁₆	C₂×D₁₅₇
Fitting	M₆₄×C₁₅₇	C₂
socle	C₂×C₁₅₇	#357
prime radical	C₂²×C₁₅₇	SD₃₂
cosocle	C₂×C₁₆×C₁₅₇	C₂²
hypercenter	M₆₄	D₁₅₇
hypocenter	C₁₅₇	#1420
LCS	G ▷ C₁₆×C₁₅₇ ▷ C₈×C₁₅₇ ▷ C₄×C₁₅₇ ▷ C₂×C₁₅₇ ▷ C₁₅₇
UCS	C₁ ◁ C₂ ◁ C₂×C₄ ◁ C₂×C₈ ◁ C₂×C₁₆ ◁ M₆₄

70 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 221
transitive degree	μ_t(G) = 10048

A minimal faithful permutation representation — 2 generators on 221 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)(33,34)(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)(79,80)(81,82)(83,84)(85,86)(87,88)(89,90)(91,92)(93,94)(95,96)(97,98)(99,100)(101,102)(103,104)(105,106)(107,108)(109,110)(111,112)(113,114)(115,116)(117,118)(119,120)(121,122)(123,124)(125,126)(127,128)(129,130)(131,132)(133,134)(135,136)(137,138)(139,140)(141,142)(143,144)(145,146)(147,148)(149,150)(151,152)(153,154)(155,156)(158,160,165,176)(159,166,170,192)(161,178,183,207)(162,175,164,173)(163,185,187,205)(167,194,197,203)(168,198,188,190)(169,199,200,201)(171,177,204,214)(172,181,208,218)(174,179,210,186)(180,216,182,215)(184,191,195,220)(189,193,206,217)(196,209,213,221)(202,219,211,212);(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)(80,81)(82,83)(84,85)(86,87)(88,89)(90,91)(92,93)(94,95)(96,97)(98,99)(100,101)(102,103)(104,105)(106,107)(108,109)(110,111)(112,113)(114,115)(116,117)(118,119)(120,121)(122,123)(124,125)(126,127)(128,129)(130,131)(132,133)(134,135)(136,137)(138,139)(140,141)(142,143)(144,145)(146,147)(148,149)(150,151)(152,153)(154,155)(156,157)(158,159,162,168,165,170,164,188)(160,171,173,202,176,204,175,211)(161,177,180,212,183,214,182,219)(163,184,179,200,187,195,186,169)(166,189,190,172,192,206,198,208)(167,193,196,218,197,217,213,181)(174,209,205,194,210,221,185,203)(178,199,215,220,207,201,216,191)

Polycyclic presentation:

2^7,157|a^2=d,b^2=g,c^2=efg,d^2=g,e^2=fg,f^2=g,b^a=bc,c^a=ce,e^a=ef,f^a=fg,h^a=h^156,c^b=ceg,d^b=dg,e^b=ef,f^b=fg,h^b=h^156

Conjugacy classes & character table

3146 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20096, 2704);