Finite Group Databasebeta

C2×D7809 #44530352

order31236
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD15618
direct productC2×D7809
unambiguous semidirect product(C2×C3)⋊D2603
unambiguous semidirect product(C2×C19)⋊D411
unambiguous semidirect product(C2×C137)⋊D57

Splittings

Fitting, socleC2×C3×C19×C137 ⋊ C2
derived, HallC3×C19×C137 ⋊ C22
HallC19×C137 ⋊ C2×D3
HallC3×C137 ⋊ C2×D19
SylowC137 ⋊ C2×D57
HallC3×C19 ⋊ C2×D137
SylowC19 ⋊ C2×D411
SylowC3 ⋊ C2×D2603

Subgroups

subgroupG/H
center, hypercenterC2D7809
commutator, cosocle, hypocenterC3×C19×C137C22
FrattiniC1G
Fitting, socleC2×C3×C19×C137C2
LCSG ▷ C3×C19×C137
UCSC1 ◁ C2

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 161
transitive degreeμt(G) = 15618

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

Conjugacy classes & character table

7812 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD31236
maximal normal subgroup ofD31236
maximal quotient ofDic15618, D31236

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31236, 40);