Finite Group Databasebeta

C2×D3937 #30628717

order15748
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD7874
direct productC2×D3937
unambiguous semidirect product(C2×C31)⋊D127
unambiguous semidirect product(C2×C127)⋊D31

Splittings

Fitting, socleC2×C31×C127 ⋊ C2
derived, HallC31×C127 ⋊ C22
SylowC127 ⋊ C2×D31
SylowC31 ⋊ C2×D127

Subgroups

subgroupG/H
center, hypercenterC2D3937
commutator, cosocle, hypocenterC31×C127C22
FrattiniC1G
Fitting, socleC2×C31×C127C2
LCSG ▷ C31×C127
UCSC1 ◁ C2

20 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 160
transitive degreeμt(G) = 7874

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

Conjugacy classes & character table

3940 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD15748
maximal normal subgroup ofD15748
maximal quotient ofDic7874, D15748

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15748, 7);