Finite Group Databasebeta

C2×D4795 #34062815

order19180
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD9590
direct productC2×D4795
unambiguous semidirect product(C2×C5)⋊D959
unambiguous semidirect product(C2×C7)⋊D685
unambiguous semidirect product(C2×C137)⋊D35

Splittings

Fitting, socleC2×C5×C7×C137 ⋊ C2
derived, HallC5×C7×C137 ⋊ C22
HallC7×C137 ⋊ C2×D5
HallC5×C137 ⋊ C2×D7
SylowC137 ⋊ C2×D35
HallC5×C7 ⋊ C2×D137
SylowC7 ⋊ C2×D685
SylowC5 ⋊ C2×D959

Subgroups

subgroupG/H
center, hypercenterC2D4795
commutator, cosocle, hypocenterC5×C7×C137C22
FrattiniC1G
Fitting, socleC2×C5×C7×C137C2
LCSG ▷ C5×C7×C137
UCSC1 ◁ C2

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 151
transitive degreeμt(G) = 9590

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

Conjugacy classes & character table

4798 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD19180, C2×D14385
maximal normal subgroup ofD19180
maximal quotient ofDic9590, D19180, C2×D14385

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19180, 29);