Finite Group Databasebeta

C2×D7979 #44542459

order31916
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD15958
direct productC2×D7979
unambiguous semidirect product(C2×C79)⋊D101
unambiguous semidirect product(C2×C101)⋊D79

Splittings

Fitting, socleC2×C79×C101 ⋊ C2
derived, HallC79×C101 ⋊ C22
SylowC101 ⋊ C2×D79
SylowC79 ⋊ C2×D101

Subgroups

subgroupG/H
center, hypercenterC2D7979
commutator, cosocle, hypocenterC79×C101C22
FrattiniC1G
Fitting, socleC2×C79×C101C2
LCSG ▷ C79×C101
UCSC1 ◁ C2

20 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 182
transitive degreeμt(G) = 15958

A minimal faithful permutation representation — 2 generators on 182 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)(82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182);(4,81)(5,80)(6,79)(7,78)(8,77)(9,76)(10,75)(11,74)(12,73)(13,72)(14,71)(15,70)(16,69)(17,68)(18,67)(19,66)(20,65)(21,64)(22,63)(23,62)(24,61)(25,60)(26,59)(27,58)(28,57)(29,56)(30,55)(31,54)(32,53)(33,52)(34,51)(35,50)(36,49)(37,48)(38,47)(39,46)(40,45)(41,44)(42,43)(83,182)(84,181)(85,180)(86,179)(87,178)(88,177)(89,176)(90,175)(91,174)(92,173)(93,172)(94,171)(95,170)(96,169)(97,168)(98,167)(99,166)(100,165)(101,164)(102,163)(103,162)(104,161)(105,160)(106,159)(107,158)(108,157)(109,156)(110,155)(111,154)(112,153)(113,152)(114,151)(115,150)(116,149)(117,148)(118,147)(119,146)(120,145)(121,144)(122,143)(123,142)(124,141)(125,140)(126,139)(127,138)(128,137)(129,136)(130,135)(131,134)(132,133)

Conjugacy classes & character table

7982 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD31916
maximal normal subgroup ofD31916
maximal quotient ofDic15958, D31916

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31916, 11);