#34188567

order	20224
automorphism	?
homology	Abelianization (H₁) = C₂³ · Schur multiplier (H₂) = C₂³

Aliases

No aliases for this group.

Splittings

Sylow

C₇₉ ⋊ #9929

Subgroups

	subgroup	G/H
center	C₂³	#14579129
commutator, cosocle	C₂³×C₄×C₇₉	C₂³
Frattini	C₂³×C₄	C₂²×D₇₉
Fitting	C₂×#484×C₇₉	C₂
socle	C₂³×C₇₉	#120
prime radical	C₂⁴×C₇₉	C₂×D₄
hypercenter	C₂×#484	D₇₉
hypocenter	C₇₉	#9929
LCS	G ▷ C₂³×C₄×C₇₉ ▷ C₂²×C₇₉ ▷ C₇₉
UCS	C₁ ◁ C₂³ ◁ C₂³×C₄ ◁ C₂×#484

610 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)(81,83)(84,87)(85,90)(86,92)(88,94)(89,95)(91,98)(93,99)(96,97)(100,103,105,104)(101,107,108,112)(102,110,111,113)(106,114,115,109);(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)(84,86,88,93)(85,89,91,96)(87,92,94,99)(90,97,98,95)(100,102,105,111)(101,106,108,115)(103,110,104,113)(107,114,112,109);(80,81)(82,83)(84,85)(86,89)(87,90)(88,91)(92,95)(93,96)(94,98)(97,99)(100,101,105,108)(102,109,111,114)(103,107,104,112)(106,113,115,110)

Polycyclic presentation:

2^8,79|a^2=g,b^2=gh,c^2=g,d^2=g,b^a=bd,c^a=ce,d^a=dg,f^a=fh,c^b=cf,d^b=dg,d^c=dh,i^c=i^78

Conjugacy classes & character table

1522 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 69866);