Finite Group Databasebeta

C2×D5243 #35230471

order20972
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD10486
direct productC2×D5243
unambiguous semidirect product(C2×C49)⋊D107
unambiguous semidirect product(C2×C107)⋊D49

Splittings

FittingC2×C49×C107 ⋊ C2
derived, HallC49×C107 ⋊ C22
SylowC107 ⋊ C2×D49
SylowC49 ⋊ C2×D107

Subgroups

subgroupG/H
center, hypercenterC2D5243
commutator, cosocle, hypocenterC49×C107C22
FrattiniC7C2×D749
FittingC2×C49×C107C2
socleC2×C7×C107D7
LCSG ▷ C49×C107
UCSC1 ◁ C2

30 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 158
transitive degreeμt(G) = 10486

A minimal faithful permutation representation — 2 generators on 158 points:

(1,2)(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)(52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158);(4,51)(5,50)(6,49)(7,48)(8,47)(9,46)(10,45)(11,44)(12,43)(13,42)(14,41)(15,40)(16,39)(17,38)(18,37)(19,36)(20,35)(21,34)(22,33)(23,32)(24,31)(25,30)(26,29)(27,28)(53,158)(54,157)(55,156)(56,155)(57,154)(58,153)(59,152)(60,151)(61,150)(62,149)(63,148)(64,147)(65,146)(66,145)(67,144)(68,143)(69,142)(70,141)(71,140)(72,139)(73,138)(74,137)(75,136)(76,135)(77,134)(78,133)(79,132)(80,131)(81,130)(82,129)(83,128)(84,127)(85,126)(86,125)(87,124)(88,123)(89,122)(90,121)(91,120)(92,119)(93,118)(94,117)(95,116)(96,115)(97,114)(98,113)(99,112)(100,111)(101,110)(102,109)(103,108)(104,107)(105,106)

Conjugacy classes & character table

5246 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD20972, C2×D15729
maximal normal subgroup ofD20972
maximal quotient ofDic10486, D20972, C2×D15729

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20972, 7);