C₂×#23761504 #34203181

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

Aliases

direct product

C₂×#23761504

Splittings

Sylow

C₇₉ ⋊ C₂×#1385

Subgroups

	subgroup	G/H
center	C₂×C₄	#14579093
commutator	C₈×C₇₉	C₂×C₄²
Frattini	C₂²×C₈	C₂²×D₇₉
Fitting	C₂²×M₃₂×C₇₉	C₂
socle	C₂²×C₇₉	#340
prime radical	C₂⁴×C₇₉	Q₁₆
cosocle	C₂²×C₈×C₇₉	C₂³
hypercenter	C₂²×M₃₂	D₇₉
hypocenter	C₇₉	C₂×#1385
LCS	G ▷ C₈×C₇₉ ▷ C₄×C₇₉ ▷ C₂×C₇₉ ▷ C₇₉
UCS	C₁ ◁ C₂×C₄ ◁ C₂³×C₄ ◁ C₂³×C₈ ◁ C₂²×M₃₂

554 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 113
transitive degree	μ_t(G) = 5056

A minimal faithful permutation representation — 3 generators on 113 points:

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

Conjugacy classes & character table

3184 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 84480);

C2×#23761504 #34203181