Finite Group Databasebeta

C2×#23761370 #34198030

order20224
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C23

Aliases

direct productC2×#23761370

Splittings

SylowC79 ⋊ C2×#1334

Subgroups

subgroupG/H
centerC23#14579082
commutatorC8×C79C22×C8
FrattiniC4×C8C22×D79
FittingC2×C4×Q16×C79C2
socle, prime radicalC23×C79#102
cosocleC4×C8×C79C23
hypercenterC2×C4×Q16D79
hypocenterC79C2×#1334
LCSG ▷ C8×C79 ▷ C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C23 ◁ C2×C42 ◁ C2×C4×C8 ◁ C2×C4×Q16

398 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 105
transitive degreeμt(G) = 20224

A minimal faithful permutation representation — 3 generators on 105 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)(90,91,94,96)(92,99,100,104)(93,102,101,97)(95,98,103,105);(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)(82,83,84,86,85,87,88,89)(91,95,96,103)(92,98)(93,101)(97,99,102,104)(100,105);(80,81)

Conjugacy classes & character table

2248 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 79329);