#34193625

order	20224
automorphism	?
homology	Abelianization (H₁) = C₂×C₄² · Schur multiplier (H₂) = C₂⁶

Aliases

No aliases for this group.

Splittings

Fitting	C₂×#344×C₇₉ ⋊ C₂
Sylow	C₇₉ ⋊ #10748

Subgroups

	subgroup	G/H
center	C₂×C₄	#14579131
commutator	C₂³×C₇₉	C₂×C₄²
Frattini	C₂³×C₄	C₂²×D₇₉
Fitting	C₂×#344×C₇₉	C₂
socle	C₂²×C₇₉	#385
prime radical	C₂²×#11929624	C₂²
cosocle	C₂³×C₄×C₇₉	C₂³
hypercenter	C₂×#344	D₇₉
hypocenter	C₇₉	#10748
LCS	G ▷ C₂³×C₇₉ ▷ C₂×C₇₉ ▷ C₇₉
UCS	C₁ ◁ C₂×C₄ ◁ C₂³×C₄ ◁ C₂×#344

1190 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 115
transitive degree	μ_t(G) = 5056

A minimal faithful permutation representation — 3 generators on 115 points:

(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)(84,87)(85,91)(86,95)(88,100)(89,99)(90,102)(92,106)(93,105)(94,108)(96,109)(97,110)(98,111)(101,112)(103,113)(104,114)(107,115);(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)(84,86,88,98,89,96,101,97)(85,90,93,104,92,94,107,103)(87,95,100,111,99,109,112,110)(91,102,105,114,106,108,115,113);(80,81,82,83)(84,85,88,93,89,92,101,107)(86,94,97,104,96,90,98,103)(87,91,100,105,99,106,112,115)(95,102,110,113,109,108,111,114)

Polycyclic presentation:

2^8,79|a^2=f,b^2=g,f^2=h,g^2=h,b^a=bd,c^a=ce,d^a=dh,e^b=eh,f^b=fh,d^c=dh,i^c=i^78

Conjugacy classes & character table

1780 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 74924);