#34203140

order	20224
automorphism	?
homology	Abelianization (H₁) = C₂×C₄×C₈ · Schur multiplier (H₂) = C₂⁴

Aliases

No aliases for this group.

Splittings

Fitting	C₇₉×#1379 ⋊ C₂
Sylow	C₇₉ ⋊ #12554

Subgroups

	subgroup	G/H
center	C₂×C₈	D₄×D₇₉
commutator	C₄×C₇₉	C₂×C₄×C₈
Frattini	C₂²×C₈	C₂²×D₇₉
Fitting	C₇₉×#1379	C₂
socle	C₂²×C₇₉	C₂×C₂²⋊C₈
prime radical	C₂³×D₇₉	M₁₆
cosocle	C₂²×C₈×C₇₉	C₂³
hypercenter	#1379	D₇₉
hypocenter	C₇₉	#12554
LCS	G ▷ C₄×C₇₉ ▷ C₂×C₇₉ ▷ C₇₉
UCS	C₁ ◁ C₂×C₈ ◁ C₂²×C₈ ◁ #1379

586 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)(85,92)(91,106)(93,95)(94,108)(96,109)(107,111)(110,112)(113,115);(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)(80,81,82,83)(84,86)(85,91)(87,100)(88,102)(89,97)(90,99)(92,106)(93,109)(94,111)(95,96)(98,104)(101,114)(103,105)(107,108)(110,113)(112,115);(84,85,88,94,89,95,103,112,90,92,104,108,87,93,101,110)(86,96,98,113,97,106,114,111,99,109,102,115,100,91,105,107)

Polycyclic presentation:

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

Conjugacy classes & character table

2272 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 84439);