#1381×D₇₉ #34203154

order	20224
automorphism	?
homology	Abelianization (H₁) = C₂×C₄² · Schur multiplier (H₂) = C₂⁴

Aliases

direct product

#1381×D₇₉

Splittings

Fitting	C₇₉×#1381 ⋊ C₂
Sylow	C₇₉ ⋊ C₂×#1381

Subgroups

	subgroup	G/H
center	C₂×C₄	D₈×D₇₉
commutator	C₈×C₇₉	C₂×C₄²
Frattini	C₂²×C₈	C₂²×D₇₉
Fitting	C₇₉×#1381	C₂
socle	C₂²×C₇₉	C₂×#107
prime radical	C₂³×D₇₉	Q₁₆
cosocle	C₂²×C₈×C₇₉	C₂³
hypercenter	#1381	D₇₉
hypocenter	C₇₉	C₂×#1381
LCS	G ▷ C₈×C₇₉ ▷ C₄×C₇₉ ▷ C₂×C₇₉ ▷ C₇₉
UCS	C₁ ◁ C₂×C₄ ◁ C₂²×C₄ ◁ C₂²×C₈ ◁ #1381

574 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);(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)(84,86,89,100,88,99,103,114,90,101,104,115,102,113,87,98)(85,91,94,106,95,107,110,112,96,108,109,111,93,105,92,97);(84,85,88,93,90,96,102,95)(86,97,99,111,101,112,113,106)(87,94,89,92,103,109,104,110)(91,100,105,114,108,115,107,98)

Conjugacy classes & character table

1804 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 84453);

#1381×D79 #34203154