#34194862

order	20224
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄ · Schur multiplier (H₂) = C₂⁶

Aliases

No aliases for this group.

Splittings

Fitting	C₂×#419×C₇₉ ⋊ C₂
Sylow	C₇₉ ⋊ #10988

Subgroups

	subgroup	G/H
center	C₂²	#19098439
commutator	C₂²×C₄×C₇₉	C₂²×C₄
Frattini	C₂³×C₄	C₂²×D₇₉
Fitting	C₂×#419×C₇₉	C₂
socle	C₂²×C₇₉	#386
prime radical	C₂²×#11929624	C₂²
cosocle	C₂³×C₄×C₇₉	C₂³
hypercenter	C₂×#419	D₇₉
hypocenter	C₇₉	#10988
LCS	G ▷ C₂²×C₄×C₇₉ ▷ C₂×C₇₉ ▷ C₇₉
UCS	C₁ ◁ C₂² ◁ C₂³×C₄ ◁ C₂×#419

1274 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)(85,91)(86,95)(88,103)(89,100)(90,105)(92,110)(93,98)(94,111)(96,115)(97,114)(99,104)(101,108)(102,113)(106,107)(109,112);(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)(84,86,89,97)(85,90,93,106)(87,95,100,114)(88,102,104,96)(91,107,98,105)(92,109,101,94)(99,115,103,113)(108,112,110,111);(80,81)(82,83)(84,85)(86,94)(87,98,100,91)(88,101)(89,93)(90,96)(92,104)(95,112,114,111)(97,109)(99,108,103,110)(102,106)(105,115,107,113)

Polycyclic presentation:

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

Conjugacy classes & character table

1762 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 76161);