Finite Group Databasebeta

C2×D8155 #45657122

order32620
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD16310
direct productC2×D8155
unambiguous semidirect product(C2×C5)⋊D1631
unambiguous semidirect product(C2×C7)⋊D1165
unambiguous semidirect product(C2×C233)⋊D35

Splittings

Fitting, socleC2×C5×C7×C233 ⋊ C2
derived, HallC5×C7×C233 ⋊ C22
HallC7×C233 ⋊ C2×D5
HallC5×C233 ⋊ C2×D7
SylowC233 ⋊ C2×D35
HallC5×C7 ⋊ C2×D233
SylowC7 ⋊ C2×D1165
SylowC5 ⋊ C2×D1631

Subgroups

subgroupG/H
center, hypercenterC2D8155
commutator, cosocle, hypocenterC5×C7×C233C22
FrattiniC1G
Fitting, socleC2×C5×C7×C233C2
LCSG ▷ C5×C7×C233
UCSC1 ◁ C2

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 247
transitive degreeμt(G) = 16310

A minimal faithful permutation representation — 2 generators on 247 points:

(1,2)(3,4,5,6,7)(8,9,10,11,12,13,14)(15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247);(4,7)(5,6)(9,14)(10,13)(11,12)(16,247)(17,246)(18,245)(19,244)(20,243)(21,242)(22,241)(23,240)(24,239)(25,238)(26,237)(27,236)(28,235)(29,234)(30,233)(31,232)(32,231)(33,230)(34,229)(35,228)(36,227)(37,226)(38,225)(39,224)(40,223)(41,222)(42,221)(43,220)(44,219)(45,218)(46,217)(47,216)(48,215)(49,214)(50,213)(51,212)(52,211)(53,210)(54,209)(55,208)(56,207)(57,206)(58,205)(59,204)(60,203)(61,202)(62,201)(63,200)(64,199)(65,198)(66,197)(67,196)(68,195)(69,194)(70,193)(71,192)(72,191)(73,190)(74,189)(75,188)(76,187)(77,186)(78,185)(79,184)(80,183)(81,182)(82,181)(83,180)(84,179)(85,178)(86,177)(87,176)(88,175)(89,174)(90,173)(91,172)(92,171)(93,170)(94,169)(95,168)(96,167)(97,166)(98,165)(99,164)(100,163)(101,162)(102,161)(103,160)(104,159)(105,158)(106,157)(107,156)(108,155)(109,154)(110,153)(111,152)(112,151)(113,150)(114,149)(115,148)(116,147)(117,146)(118,145)(119,144)(120,143)(121,142)(122,141)(123,140)(124,139)(125,138)(126,137)(127,136)(128,135)(129,134)(130,133)(131,132)

Conjugacy classes & character table

8158 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD32620
maximal normal subgroup ofD32620
maximal quotient ofDic16310, D32620

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(32620, 35);